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... We investigated and described the thoracic structures, jumping mechanism, and promesothoracic interlocking mechanism of the click beetle Campsosternus auratus (Drury) (Elateridae: Dendrometrinae). Two experiments were conducted to reveal the critical muscles and sclerites involved in the jumping mechanism. They showed that M2 and M4 are essential clicking-related muscles. The prosternal process, t ...
Cantharidae; Cretaceous period; amber; elytra; fossils; new genus; new species; Myanmar
Abstract:
... AbstractA new fossil genus and species of Cantharidae, Nothotytthonyx serratus Li, Biffi, Kundrata & Cai gen. et sp. nov., is reported from mid-Cretaceous Burmese amber. The new species is tentatively attributed to the extant subfamily Malthininae based on a combination of characters, including the symmetrical apical maxillary palpomeres, shortened elytra, pronotum with arched margins and well-de ...
Coleoptera; Cretaceous period; adults; amber; elytra; females; males; new species; palps; pedicel; sexual dimorphism; tibia; Myanmar
Abstract:
... A new species, Vetubrachypsectra huchengi Li, Kundrata & Cai sp. nov., is described from mid-Cretaceous Burmese amber on the basis of a single adult female. The species is assigned to genus Vetubrachypsectra Qu & Cai based on its serrate antennae, long maxillary palps, presence of tibial spurs, and elytra without clear striae. Vetubrachypsectra huchengi differs distinctly from V. burmitica Qu & Ca ...
Dytiscidae; color; elytra; geographical distribution
Abstract:
... Liodessus picinus sp. nov. is described from the Páramo de Sumapaz near Bogota D.C. at 3,500 m above sea level. The species can be distinguished from the other Colombian Liodessus species by its dark coloration, discontinuous habitus, shiny surface of the pronotum and elytron, presence of a distinct occipital line, distinct basal pronotal striae, short or even faint basal elytral striae, as well a ...
Buprestidae; elytra; lectotypes; new species; China; Himalayan region; India; Nepal
Abstract:
... Endelus lobanovi sp. n. from Norht-East India (Meghalaya State) is described and illustrated. This new species is characterized by the small moderately elongate body (length 3.1–3.9 mm), the bicolorous dorsal surface with the black head and the pronotum and the dark blue elytra, by well pronounced transversal keel near posterior third of the pronotum and other characters. It is closely related to ...
Eocene epoch; Ernobius; Ptinidae; amber; body size; elytra; extinct species; fossils; new species
Abstract:
... A new extinct species of the genus Xyletinus Latreille, 1809, namely X. (s. str.) lobanovi sp. n., is described and illustrated from Eocene Baltic amber. This new extinct species resembles X. carsteni Háva et Zahradník, 2020 but differs from it in the dull, not shiny pronotum and elytra, uniformly rufous body and appendages and the lesser body size. A new species is close to X. arturi Háva et Zahr ...
Bayesian theory; Carabidae; Paleocene epoch; elytra; geographical distribution; mitochondria; new genus; new species; phylogeny; Australia; France; Iberian Peninsula; Madagascar; Nepal; New Caledonia; Spain; Tanzania
Abstract:
... A new representative of the subtribe Trechodina, Iberotrechodes spinosus n. gen., n. sp., subterranean and known so far from a single cave system of the Cantabrian chain (NW Spain), is described. The external morphology of the new species is highly derived within Trechodina, in particular for the peculiar and unique shape of its elytra, and likely due in part to its subterranean habits. A phylogen ...
Silphidae; biomechanics; body size; dead animals; elytra; physiology; seasonal variation; sexual dimorphism; zoology; Ontario
Abstract:
... Body size is a key biological trait, influencing the biomechanics, physiology, behaviour, and ecology of species. Describing variation in body size within and among co-occurring species within an ecological guild can provide important context for understanding the ecology of species and the structure of ecological communities. Here, we focus on a guild of carrion beetles (Coleoptera: Silphidae) co ...
... Beetles are the most successful and diversified animal taxa characterized by the possession of an external pair of sclerotized wings (elytra). Managing electromagnetic radiations could be one of the functions of the exoskeleton. We studied the spectrophotometric response to ultraviolet, visible, and near-infrared radiations of the elytra of seven closely related and sympatric Onthophagus species t ...
... As insects feed, stable isotopes from their diets are assimilated into their tissues. Stable isotopes provide a method to determine what insects are feeding on, and in some cases, where the insects have been feeding. One method for evaluating what adult holometabolous insects fed on as larvae, is to sample tissues from the integument of the adult. The integument should have isotopic signatures tha ...
... Species within genus Xyleborus Eichhoff (Curculionidae: Scolytinae) live in a feeding symbiosis with ambrosia fungi and present inbreeding polygyny with highly biased sex ratios and sexual dimorphism in size. Here we evaluate the expression of sexual dimorphism, the allometric effect on shape variation, and the morphological integration of 2 body structures (elytra and pronotum) in Xyleborus affin ...
... Ceratocystis fimbriata plays a significant role in the initiation of the tree decline disease in mango (Mangifera indica L.), which can kill the plant. The C. fimbriata infection is linked with the presence of the beetle Hypocryphalus mangiferae (Curculionidae: Scolytinae). However, it is unknown how H. mangiferae aids in the transport of the fungus between mango trees. The present study aimed to ...
... Yellow-y (Y-y) contributes to the accumulation of melanins in insect cuticle. However, the underlining mechanism requires further investigation. Two classical hypotheses have been proposed: Y-y acts as a dopachrome conversion enzyme (DCE) to accelerate biosynthesis of melanins; alternatively, Y-y serves as a cuticular anchor for pigments. Henosepilachna vigintioctopunctata is a serious defoliator ...
Carabidae; elytra; geometry; head; morphometry; phenotype; trees; China
Abstract:
... Cave-dwelling ground beetles in China represent the most impressive specific diversity and morphological adaptations of the cavernicolous ground beetles in the world, but they have not been systematically examined in quantitative terms. The present study focuses on the application of geometric morphological methods to address the morphological adaptations of the tribe Trechini, the most representa ...
Tenebrionidae; elytra; new species; taxonomic keys; Mozambique
Abstract:
... A new species of the genus Toktokkus Kamiński and Gearner, 2021 (T. o-serraferrussp. nov.) (Coleoptera: Tenebrionidae) is described from Boroma, Mozambique. The new species can be distinguished from its congeners by the shape and sculpturing of the elytra: disc flat, with two distinct rows of sharp tubercles on the lateral margins of the elytra. An updated identification key and distribution map f ...
... Five species of Scaphisoma Leach, 1815 are recorded from Georgia. The new species S. caucasicum sp. n. is described from Samegrelo-Zemo Svaneti region, and two, S. assimile assimile Erichson, 1845 and S. subalpinum subalpinum Reitter, 1880 are recorded for Georgia for the first time. The new species can be externally compared with North Korean S. hapiroense Löbl, 1968, from which it can be readily ...
Coleoptera; Eocene epoch; Hymenoptera; Zygoptera; animals; elytra; energy-dispersive X-ray analysis; eumelanin; exoskeleton; fossils; mass spectrometry; transmission electron microscopy; wasps; Denmark
Abstract:
... Marine sediments of the lowermost Eocene Stolleklint Clay and Fur Formation of north-western Denmark have yielded abundant well-preserved insects. However, despite a long history of research, in-depth information pertaining to preservational modes and taphonomic pathways of these exceptional animal fossils remains scarce. In this paper, we use a combination of scanning electron microscopy coupled ...
Carabidae; Russia; altitude; body size; elytra; landscapes; males; models; mountains; sexual dimorphism
Abstract:
... In this study, we verified the theory about the greatest steepness in body size variation in insects males compared with females in altitude gradients. As the model, ground beetles took as the appreciated bioindicators. We sampled three species of carabids at two regions: Carabus odoratus and Pterostihusmontanus were sampled at four elevations at Barguzin Ridge (N 54° 20’; E 109° 30’, Russia) and ...
Tenebrionidae; data collection; elytra; geometry; morphometry; species richness
Abstract:
... Many studies have found that the correlation between species richness (SR) and morphological diversity (MD) is positive, but the correlation degree of these parameters is not always consistent due to differences in categories and various ecological factors in the living environment. Based on this, related studies have revealed the good performance of using higher taxa in biodiversity research, not ...
Chaetocnema; Lema; Phyllotreta; Pyrrhalta; Russia; aedeagus; conspecificity; elytra; fauna; females; lectotypes; males; spermatheca; taxonomic keys; South Korea
Abstract:
... Cryptocephalus (Burlinius) flavolimbatus Pic, 1920 is recorded from Russia for the first time. This species has the aedeagus with the long and thin apical process and belongs to the group of yellow species with a black pattern on the elytra and the distinctly punctured pronotum. New records of Lema concinnipennis Baly, 1865, Chaetocnema kimotoi Gruev, 1980, Neocrepidodera ohkawai Takizawa, 2002, P ...
... A little-known species from the Altai, Pterostichus (Petrophilus) magoides (Straneo, 1937), is redescribed on the base of type specimens and supplementary material. Its systematic position and distribution are discussed. New synonymy is established: Pterostichus magoides = Pterostichus (Petrophilus) tatianae E. Berlov, 1996, syn. n. Tis species is similar to P. magus (Mannerheim, 1825), sharing wi ...
Pterostichus; altitude; body size; coasts; computer software; ecology; elytra; environmental impact; head; morphometry; sample size; sexual dimorphism
Abstract:
... We sampled beetles at plots on different altitudes of the Barguzin ridge (54°30′ N 109°50′ E) in 1988–2014: the coast (500 m a.s.l.), low mountains (720 m a.s.l.), middle mountains (1004 m a.s.l.), and high mountains (1667 m a.s.l.). The selected specimens of Pterostichus montanus have been measured for six morphometric traits: the length and the width of elytra, pronotum, and head. Sample size is ...
Curculionidae; Rhododendron; elytra; endophallus; males; new genus; new species; tibia; China
Abstract:
... Brief morphological characteristics of the genera Blosyrus Schoenherr, 1823, Blosyrodes Jekel, 1875, and Blosyridius Fairmaire, 1891 are given. The new genus Stiltoblosyrus gen. n. (type species S. belousovi sp. n.) with 17 new species is described from Yunnan and Sichuan provinces of China. Stiltoblosyrus gen. n. is closely related to Blosyrodes but differs in the tuberculate pronotum and elytra, ...
Monocesta; color; elytra; new combination; new genus; Honduras; Peru
Abstract:
... Coelomera atrocaerulea Jacoby, 1878 is reduced to a synonym of Monocesta depressaClark, 1865, new synonymy. This species is transferred to Platycesta Viswajyothi and Clark, new genus, as Platycesta depressa (Clark), new combination. The distribution is from Honduras to Peru. Details of geographic color variation are presented. ...
Curculionidae; elytra; forests; indigenous species; new species; plant litter; serpentine soils; surveys; Caribbean; Puerto Rico
Abstract:
... A new species of Decuanellus Osella is described from the insular serpentine soil forests of Maricao State Forest, Puerto Rico. Decuanellus coronarostris Rodriguez Ruiz and Van Dam, new species, is a new Caribbean endemic species of eyeless weevil, which was collected from a leaf litter survey of Maricao State Forest (El Bosque Estatal de Maricao) during 2017. This species differs from other Decua ...
... A new species of Noviini, Novius marek Ślipiński and Pang sp. nov. is described from New Caledonia. It is the largest known species of the genus, easily recognised by its size, very flat body and zigzag darker pattern on yellowish-brown elytra. A key to the New Caledonian species of Novius, new distribution records and illustrations of known species are also provided. ...
Carabidae; elytra; limestone; male genitalia; new species; China
Abstract:
... Sinaphaenops (s. str.) lipoin. sp. is described and illustrated from a limestone cave in central Guizhou Province, China. This new species is most similar to S. (s. str.) banshanicus Tian, Chen and Tang, 2017. Both species are members of a peculiar species-group in the nominate subgenus Sinaphaenops (s. str.) Uéno and Wang, 1991, based on the presence of anterior lateromarginal setae on the pronot ...
Phyllobius; coasts; elytra; femur; new species; Lake Baikal
Abstract:
... A new species of the subgenus Angarophyllobius Korotyaev et Egorov, Phyllobius rodionovi sp. n., is described from the northwestern coast of Lake Baikal. The new species is rather close to Phyllobius mongolicus Korotyaev et Egorov, but may be easily distinguished by the noticeably beveled humeral prominences and somewhat rounded sides of the elytra, and by a smaller and less sharpened femoral toot ...
Dytiscidae; aedeagus; barcoding; elytra; new species; France; Morocco; Tunisia
Abstract:
... Hydroporus bertrandi n. sp. is described from the Rif Mountains of northern Morocco. It is a member of the Hydroporus planus-group with close affinities to H. analis Aubé, 1838 and H. decipiens Sharp, 1878, as evidenced by the strongly rugose ventral abdominal surface. The new species differs from these close relatives mainly by larger size, finer punctation on the elytra and metacoxal plates, dif ...
Attelabidae; body size; elytra; endophallus; head; neck; new species; China; India; Vietnam
Abstract:
... A new species of leaf-rolling weevils, Paracompsus krivokhatskyi sp. n. from Northern Vietnam, is described and illustrated. This species is close to P. nigrofasciatus (Pajni, Haq et Gandhi, 1987) from East India and Southwest China, and differs from it in the smooth, non-wrinkled, longer temples and in the shape of the basal sclerite of the endophallus. In P. krivokhatskyi sp. n. the basal scleri ...
... Two behaviorally different populations of the black chafer Holotrichia loochooana loochooana (Sawada) (Coleoptera: Scarabaeidae) were discovered on Miyako Island, Okinawa, Japan. In a population occurring at the tip of the northern peninsula, adult females and males emerge from soil and mate during a long period of time before sunset. In the other populations found in the secondary forest and the ...
... The insect cuticle is a composite structure that can further be divided into a few sub-structural layers. Its large moiety comprises a lattice of chitin fibrils and structural proteins, both of which are stabilized by covalent bonding among them. The cuticle covers the whole surface of insect body, and thus has long been suggested for the involvement in defense against entomopathogens, especially ...
Attelabidae; elytra; head; new species; tibia; Laos
Abstract:
... A new species, Caenorhinus (Flavodeporaus) lobanovi sp. n. from Central Laos is described and illustrated. This new species differs from Caenorhinus (Flavodeporaus) guskovae Legalov, 2021 from Laos in the unicoloured body (in C. (F.) guskovae body is yellow; 1st to 10th antennomeres, apex of rostrum, base of elytra, tibia, 1st and 5th tarsomeres black; mandibles, 11th antennomere, metaventrite, me ...
Borneo; Cerambycidae; color; elytra; males; new species; Malaysia
Abstract:
... Iphiothe pascoei Miroshnikov et Heffern, sp. n. is described from Borneo. It differs clearly from all members of the genus by the sharply dichromatic coloration of the legs and antennomere 3, the immaculate femora and tibiae, the very motley, spotted, light setation of the elytra, the shorter antennae of the male. The stability and reliability of the features previously indicated to distinguish I. ...
... Crustacean cardioactive peptide (CCAP), a highly conserved amidated neuropeptide, stimulates feeding in Drosophila melanogaster and Periplaneta americana, and regulates pupa-adult transition in Tribolium castaneum and Manduca sexta. In the present paper, we intended to address whether CCAP plays the dual roles in the Colorado potato beetle Leptinotarsa decemlineata. We found that the levels of Ldc ...
Bayesian theory; Late Cretaceous epoch; Miocene epoch; Staphylinidae; altitude; ancestry; biogeography; data collection; elytra; extinct species; extinction; fauna; fossils; models; new genus; new species; phylogeny; refuge habitats; sea level; sexual dimorphism; statistical analysis; Myanmar
Abstract:
... Within the hyperdiverse beetle family Staphylinidae, Dasycerinae is one of the smallest and most cryptic subfamilies, comprising a sole extant genus characterized by a latridiid beetle‐like body form. Little has been known about their early diversification, character evolution, phylogeny and historical biogeography because of limited fossil material and lack of a phylogeny integrating extant and e ...
Staphylinidae; aedeagus; bark; elytra; males; new species; Korean Peninsula
Abstract:
... Trapeziderus koreanus Park and Ahn, new species is described from Korea. The new species collected under bark is similar to Trapeziderus imitator Cameron in having black elytra and a temporal carina but can be distinguished by the reddish-brown antennomere 10, the chaetotaxy of the pronotum, the incomplete basal line of male sternite VIII, and the different shape and structure of the aedeagus. A d ...
... In Drosophila melanogaster, ecdysis-triggering hormone (ETH) and eclosion hormone (EH) mutually enhance the release of each other through a positive feedback loop. Both are involved in the stimulation of ecdysis behavior series and molting-related physiological preparations. However, whether 20-hydroxyecdysone (20E) controls eh expression and whether EH plays a similar role in non-Drosophilid inse ...
... Nosema adaliae, a microsporidian pathogen described from the two-spotted lady beetle, Adalia bipunctata L., delays larval development when A. bipunctata is reared under laboratory conditions at 25 °C. In nature, lady beetles often experience a wide range of environmental temperatures, but little is known regarding the effects of microsporidian pathogens on lady beetles when they are reared at high ...
Alois Honek; Peter M. J. Brown; Zdenka Martinkova; Jiri Skuhrovec; Marek Brabec; Giovanni Burgio; Edward W. Evans; Marc Fournier; Audrey A. Grez; Jan Kulfan; Francesco Lami; Eric Lucas; Belén Lumbierres; Antonio Masetti; Timofej Mogilevich; Marina Orlova-Bienkowskaja; William M. Phillips; Xavier Pons; Jan Strobach; Sandra Viglasova; Peter Zach; Tania Zaviezo
Harmonia axyridis; Russia; climate; color; elytra; introduced species; Central European region; East Asia; Italy; Northern European region; Spain
Abstract:
... The Harlequin ladybird Harmonia axyridis Pallas, native to eastern Asia, is an invasive, non-native species that has recently achieved an almost worldwide distribution. A conspicuous feature of this species is colour polymorphism of the elytra. In its native area, the populations consist of a recessive non-melanic morph, several dominant melanic morphs and small numbers of other (rare) morphs. The ...
... Leptinotarsa decemlineata (Say), commonly known as the Colorado potato beetle (CPB), is an agricultural important pest for potatoes and other solanaceous plants. The CRISPR/Cas system is an efficient genome editing technology, which could be exploited to study the biology of CPB and possibly also lead to the development of better environmentally friendly pest management strategies. However, the us ...
... Four new species of the genus Anomala Samouelle, 1819 from the continental South-East Asia are described. Anomala paramychodes sp. n. from Laos, Myanmar and South China and A. sinifrater sp. n. from South China are externally indistinguishable from A. amychodes Ohaus, 1914 but differ from this species in the structure of the aedeagus. Anomala levilinea sp. n. from Northern Vietnam is also similar ...
... The predator-predator naïveté hypothesis suggests that non-native predators benefit from being unknown to native predators, resulting in reduced intraguild interference with native predators. This novelty advantage should depend on the ability of native predators to recognize cues of non-native predators. Here, we compared ant aggression and lady beetle reaction in four native and the invasive lad ...
Japan; Polychaeta; cytochrome-c oxidase; elytra; genetic distance; limnology; mitochondria; new species; oceanography; seamounts; Antarctic region; Australia
Abstract:
... Laetmonice Kinberg, 1856 is a remarkable genus characterized by having harpoon notochaetae in the polychaete family Aphroditidae. We describe a new species of Laetmonice, Laetmonice iocasica sp. nov., found from seamounts on the Caroline Ridge in the tropical Western Pacific. The new species is readily distinguished from congeners, particularly those distributed in the Indo-Pacific Ocean by posses ...
Lampyridae; adults; elytra; larvae; males; tortoises; South America
Abstract:
... Fireflies (Coleoptera: Lampyridae) spend most of their lives as larvae. Nevertheless, immature stages of over 99% of species remain unknown, which gives an incomplete picture of the species' biology. Moreover, fireflies are most diverse in Central and South America, where most species remain known from the centuries-old taxonomic descriptions based on male morphology. Here, we redescribe the spott ...
Elateridae; elytra; new species; Costa Rica; Guatemala; Mexico; Panama
Abstract:
... Lissomus cacique Johnson, new species from Costa Rica and Panama is described and discriminated from its morphologically most similar and geographically disjunct congener, Lissomus flavipennis Guérin-Méneville from Guatemala and southern Mexico. These two species form a unique pair in Lissomus Dalman distinguished by their relatively large and robust body form, yellow-brown to orange-red elytra no ...
Agasicles; Aphthona; Siphonaptera; elytra; head; new species; Indonesia; Vietnam
Abstract:
... Five new species of flea beetles are described from Vietnam: Euphitrea lamdongica sp. n. from the species group with head and pronotum red brown and elytra metallic green; Lankaphthona nigropicta sp. n. is similar to L. yunnantarsella Ruan, Konstantinov et Prathapan, 2019; Lipromorpha prosvirovi sp. n. from the species group with unicolor yellow body and transverse impression behind anterior margi ...
... After a century since the erection of the genus Manipuria from India, its type species M. dohertyi Jacoby was discovered in Yunnan Province of China. A new Manipuria species, M. yuae sp. nov., is described from Tibet and Yunnan, China. The new species differs from M. dohertyi by its larger size, unicolored elytra, and absence of a tooth-like prolongation in front of the mandible. Additional data i ...
Pterostichus; body size; elytra; endophallus; males; mountains; new species; river valleys; rivers; villages; China
Abstract:
... Three new species of carabid beetles belonging to the subgenus Petrophilus Chaudoir, 1838 of the genus Pterostichus Bonelli, 1810 are described from the Mongolian Altai Mountain Range within Xinjiang-Uygur Autonomous Region of China: P. kapanovi sp. n. from the right bank of the Kom (= Hemu) River, similar to members of the P. altaicus species group but differing in the shape of pronotum: its late ...
Curculionidae; elytra; endophallus; males; new genus; new species; spermatheca; China
Abstract:
... Dactylotinomorphus Davidian, gen. n. (Dactylotus egenus Faust, 1887, type species) is described from China. Kamius Korotyaev, 1996, stat. n., Nipponoblosyrus Korotyaev, 1996, stat. n. and Dactylotinus Korotyaev, 1996, stat. n. are increased from a subgenus to a genus rank. A key to the genera Dactylotus Schoenherr, 1847, Kamius, Nipponoblosyrus, Dactylotinus and Dactylotinomorphus gen. n. with bri ...
Astigmata; Chrysomela populi; Populus; adults; biological control agents; biological pest control; elytra; endoparasites; fecundity; females; hemolymph; integrated pest management; longevity; males; parasitic mites; population dynamics; surveys; Germany
Abstract:
... Due to social demands with regard to sustainability and ecological considerations, an aim of current research in short‐rotation coppices (SRC) is to find effective candidates for biological control of pest species. The great red poplar leaf beetle, Chrysomela populi L. (Coleoptera: Chrysomelidae), is one of the most harmful pests in the SRC. The endoparasitic mite Linobia coccinellae (Scopoli) (Ac ...
... Two new species of the leaf-beetles, Aphthona ussuriensis sp. n. and Tricholochmaea ussuriensis sp. n., are described from Primorskii Territory of Russia. Seven species are recorded from Russia for the first time: Lema concinnipennis Baly, 1865; Phratora ryanggangensis Gruev, 1994; Dibolia potanini Wiese, 1889; D. zaitzevi Medvedev, 1980; Longitarsus hopeianus Chen, 1941; L. piceorufus Chen, 1939; ...
... The genus PhosphaenopterusSchaufuss, 1870 encompasses two species restricted to Europe, both underrepresented in the literature and entomological collections. Phosphaenopterus metzneriSchaufuss, 1870 is the most widely distributed within the genus, being recorded in France, Portugal, and Spain. Since its century-old original description based only on the male, the biology of this species was not f ...
Parasitiformes; Rhynchophorus palmarum; acarology; elytra; males; mites; morphometry; pests; species diversity; surveys; California
Abstract:
... The South American palm weevil, Rhynchophorus palmarum (Coleoptera: Curculionidae), established in San Diego County, California, USA sometime around 2014. Attached to the motile adults of this destructive palm pest, we identified three species of uropodine mites (Parasitiformes: Uropodina), Centrouropoda n. sp., Dinychus n. sp. and Fuscuropoda marginata. Two of these species, Centrouropoda n. sp. ...
Harmonia axyridis; Russia; color; elytra; invasive species
Abstract:
... The composition of populations of invasive species Harmonia axyridis (Pallas, 1773) from Kaliningrad, Moscow, and Rostov-on-Don was described. A difference in the composition of the southern and northwestern populations by the frequency of morphs, differing in the color of the elytra, was revealed. ...
Coleoptera; adults; elytra; females; males; North America
Abstract:
... The species of Dascillidae are reviewed for North America. Anorus arizonicusBlaisdell, 1934 is proposed as a new synonym of Anorus parvicollisHorn, 1894; Dascillus plumbeusHorn, 1880 is proposed as a new synonym of Dascillus davidsoni LeConte, 1859. The termitiform, flightless female of A. parvicollis, with extremely reduced elytra, is described and illustrated for the first time. A key is provide ...
Chrysomelidae; elytra; entomologists; leaves; taxonomic keys; New Zealand
Abstract:
... The subalpine Chalcolampra speculifera Sharp, 1882 group of leaf beetles (Chrysomelidae: Chrysomelinae) is revised to include the fully winged Chalcolampra speculifera Sharp, which is redescribed, and two new brachypterous species, C. apicula sp. nov. and C. lyriformis sp. nov.. A key to the species is provided. These Chalcolampra Blanchard, 1853 species are distinguished from other New Zealand me ...
... Insects such as cockroaches and locusts self-right swiftly to reduce chances of being attacked by predators. Compared to these insects, ladybirds have shorter legs hidden inside highly domed elytra so self-righting is of great challenge if using strategies of abdominal arching and/or leg swinging. Specifically, ladybirds live in over-ground environment with clusters of vegetation so they are prone ...
... The exoskeleton of the ground beetle Carabus insulicola was observed using polarizing optical microscopy (POM) with simultaneous transmitted and reflected light. The surface showed iridescence owing to the periodic microstructure. A Maltese cross array of the inner layer of the elytra was observed. The matrix of the middle layer of the elytra is composed of protein with the arrangement of a choles ...
Buprestidae; data collection; ecosystems; elytra; geometry; morphometry; species richness
Abstract:
... A positive correlation between the species richness and morphological diversity of some organisms has been found in almost all studies at the local community scale. However, this documented relationship has not always been consistent because of diverse niches and the status of an organism in an ecosystem. Global taxon sampling, new morphological approaches, and consideration of more taxonomic cate ...
... Convective, conductive and radiative mechanisms of thermal management are extremely important for life. Photonic structures, used to detect infrared radiation (IR) and enhance radiative energy exchange, were observed in a number of organisms. Here we report on sophisticated radiative mechanisms used by Morimus asper funereus, a longicorn beetle whose elytra possess a suitably aligned array of lens ...
Staphylinidae; abdomen; conservation areas; elytra; head; new species; taxonomic keys; China; France
Abstract:
... Three new species belonging to the subgenus Latotachinus Ullrich, 1975 of the genus Tachinus Gravenhorst, 1802 are described from China: T. microsculpturatus n. sp. and T. murzini n. sp. from the alpine areas of Sichuan, and T. nanlingensis n. sp. from Nanling Nature Reserve, Guangdong. The former two species share the greatly reduced elytra, lack of wing-folding patches of the abdomen, and most r ...
Carabidae; elytra; limestone; new species; suburban areas; China; France
Abstract:
... Two new genera and two new species of troglobitic trechine beetles are described and illustrated: Casaleaphaenops liyunchuni n. gen., n. sp. from the limestone cave Hei Dong in the suburb of Zunyi City, northern Guizhou Province, and Panaphaenops guixicus n. gen., n. sp. from the cave Zimu Dong in Panzhou, western Guizhou. Casaleaphaenops n. gen. is remarkably modified, with a very elongated body ...
Tenebrionidae; aedeagus; elytra; insect taxonomy; new species; Spain
Abstract:
... Alphasida (Alphasida) perezveraisp. nov. is described from areas near El Ejido, in Almería province, South Eastern Spain. It is a one of the glabrous species in a subgenus where most taxa have a peculiar velvety pubescence on elytra. This new species correspond to A. geminaKoch, 1944, not available according to the Code (ICZN 1999) because being originally described as Alphasida lorcana ssp. mendi ...
Erotylidae; Languria; Neotropics; Paederus; elytra; new genus; Mexico
Abstract:
... A new genus of Languriinae, Tomolanguria Huang, gen. nov. is erected for a single species, Languria aculeata Gorham, 1887 from Mexico. It is similar to the Neotropical genus Languria Latreille, 1802. The differential diagnosis of this new genus is based on the structural features of the elytral apices and slight impressions present on each elytron. Languria aculeata is designated as the type speci ...
Ptinidae; elytra; new genus; new species; phylogeny; Peru
Abstract:
... A new genus of flightless spider beetle from Peru with two new species is described. It is characterized by unique heart-shaped fused elytra and a broad pronotum with five basal depressions. The characters of this new genus and species are illustrated and discussed and the possible phylogenetic placement of this taxon is also included. ...
Blaps; Siberia; elytra; males; new species; spermatheca; vagina; China; Iran; Mongolia; Turkmenistan
Abstract:
... A new species of darkling beetles, Blaps ernesti sp. n., is described from the Southeast Caspian region (Turkmenistan, Iran). Allard was the first to describe this species in 1882, but he misidentified it as “Blaps variolaris Gemminger, 1870”, the junior synonym of Blaps rugosa Gebler, 1825, which is distributed in Russian Eastern Siberia, China and Mongolia. Seidlitz in 1893 and subsequent author ...
Curculionidae; Russia; conservation areas; elytra; new species; penis; spermatheca; Caucasus region
Abstract:
... A brief morphological characteristic of the genus Ubychia Rost, 1893 is given. Ubychia abagoensis Davidian et Arzanov, sp. n. is described from the Caucasian State Nature Biosphere Reserve in the Republic of Adygea, Russia. The new species is closely related to U. stygia Rost, 1893, from which it differs in the following features: penis is noticeably narrowed in the preаpical part and narrowly rou ...
... Cortodera orientalis nigriptera subsp. n., a new subspecies of Cortodera orientalis Adlbauer, 1988 (described from Southern Turkey, Osmaniye Province) is described from Northern Lebanon (Akkar, Fnaydek village, Ezer Forest). The new subspecies differs from the nominotypical one by the coloration of a male (black elytra, while Cortodera orientalis orientalis has thatch-yellow elytra), denser pubesc ...
... A brief morphological characteristic of the subgenus Otismotilus Reitter, 1912 is given. Otiorhynchus paradigitalis sp. n. is described from Zekari Pass in Georgia. Diagnosis of a new species: the species belongs to the species-subgroup with thickened antennae (O. digitalis, O. depressus, O. oezbeki and O. kataevi) in the species-group granulatopunctatus. Otiorhynchus paradigitalis sp. n. is most ...
... Landmarks are one of the important concepts in morphometry analysis. They are anatomical points that can be located consistently (e.g., corner of the eyes) and used to establish correspondence or divergence among morphologies of biological or non-biological specimens. Currently, the landmarks are mostly positioned manually by entomologists on numerical images. In this work, we propose a method to ...
Grzegorz Orłowski; Lucyna Mróz; Marcin Kadej; Adrian Smolis; Dariusz Tarnawski; Jerzy Karg; Alessandro Campanaro; Marco Bardiani; Deborah J. Harvey; Marcos Méndez; Arno Thomaes; Al Vrezec; Krzysztof Ziomek; Andrzej L. Rudecki; Detlef Mader
... Stoichiometric, trophic and ecotoxicological data have traditionally been acquired from patterns of variation in elemental traits of whole invertebrate bodies, whereas the critical issue of the extracellular origin of some portion of elements, such as those present in ingested food and internal organs, has been ignored. Here we investigated an unexplored, yet crucial, question relating to whether, ...
... Nematode pathogens cause wilt diseases in conifers and deciduous trees. The longhorn beetles (Coleoptera: Cerambycidae) and bark beetles (Coleoptera: Curculionidae: Scolytinae) act as nematode vectors spreading the invasive juvenile stages during their maturation feeding or during oviposition on the plant hosts. There are numerous reviews of nematodes associated with bark beetles on conifers, whil ...
... The mechanical properties and the influence mechanism of grid beetle elytron plates (GBEPₙ), which were fabricated from an ABS resin material using 3D printing technology, under compression were investigated. Different values of ηc, i.e., ratio of r (centerline radius of the cylinder) to L (length of the basic element), were considered for given yield stress coefficients and matching coefficient. ...
Tenebrionidae; Turkey (country); elytra; males; taxonomic keys; Middle East
Abstract:
... The genus Scaurus Fabricius, 1775 in Turkey is briefly reviewed. A new synonymy is proposed: Scaurus macricollis Allard, 1882 = Scaurus puncticollis var. syriacus Reitter, 1914, syn. n. Scaurus julioferreri sp. n. is described from Eastern Turkey (Kars Province); it differs from all Caucasian, Near and Middle East Scaurus by granulated (without punctation) space between ribs, all ribs are highly e ...
Anoplophora; biodiversity; elytra; insects; introduced species; larvae; new species; wood; China; North America
Abstract:
... Anoplophora Hope, 1839 is a genus including more than 40 species occurring in Asia. Most species of this genus have beautiful colours on the elytra and are of great interest to insect collectors. Due to their developing in and consuming wood in the larval stage, species in this genus could be economically important, such as A.glabripennis, an introduced species to North America. We described Anopl ...
Carabidae; appendages; elytra; head; insect morphology; limestone; suburban areas; China
Abstract:
... The first known troglobiotic species belonging to the ground beetle tribe Patrobini is reported from a limestone cave called Lianhua Dong in Pengzhou, a suburb county-level city in northern Chengdu, Sichuan Province, China. Troglopatrobus zhouchaoi n. gen., n. sp., is an eyeless and large-sized patrobine beetle with extremely elongated body (esp. head and elytra) and appendages. Duvalioblemus (Shu ...
... Stethorus aptus Kapur and Stethorus rani Kapur are two important predatory ladybird beetles preying on red spider mite, Oligonychus coffeae Nietner infesting tea in South India. This study re-describes these two predatory beetles since it was found that the original descriptions were scanty. In this study, an attempt has been made on the diagnoses with a detailed description which is supplemented ...
... Ips typographus Linnaeus, 1758, the most important pest of Norway spruce (Picea abies Linnaeus, 1753) from Eurasia has damaged, in the last decades, a large area of forest in Romania. Associations between beetles and their symbiotic fungi are well known compared to beetle-mite relationships. The objectives of the study are to determine: (i) the diversity of mites species associated with I. typogra ...
Cerambycidae; elytra; new genus; new species; China
Abstract:
... Erythrotes murzini gen. nov. and sp. nov. from China (Sichuan Province) is described and illustrated. The new genus is close to EupromusPascoe, 1868, but the latter has smaller eyes, elytra with distinct costae and big punctation, mesocoxal process with distinct distal tubercle, and pronotum with black central line. Elytra of the species in Eupromus is not granulated. The new species described her ...
Nicrophorus orbicollis; color; computer software; cost effectiveness; elytra; entomology; laboratory rearing; mark-recapture studies; population dynamics; species abundance; wildlife
Abstract:
... Successful conservation and management of protected wildlife populations require reliable population abundance data. Traditional capture-mark-recapture methods can be costly, time-consuming, and invasive. Photographic mark-recapture (PMR) is a cost-effective, minimally invasive way to study population dynamics in species with distinct markings or color patterns. We tested the feasibility and the a ...
... We discovered a new species of the genus Hydaticus Leach, 1817, subgenus Prodaticus Sharp, 1882 (Coleoptera: Dytiscidae) in the unidentified material of the Muséum National d´Histoire Naturelle, Paris. The type specimens were collected near Kourou in French Guiana and are here described as Hydaticus (Prodaticus) kourouensis sp. n. The new species is morphologically similar to the Peruvian H. pangu ...
Tribolium castaneum; air pollutants; chronic exposure; coal; dust; elytra; eyes; gene overexpression; genes; health effects assessments; human population; imagos; insects; ion channels; larvae; legs; lethal concentration 50; mining; necrosis; oats; oxidative stress; particle size; pupae; synaptic transmission; wildlife
Abstract:
... Coal dust is a primary air contaminant from coal mining operations that produces harmful health effects. However, it is unclear to what extent its detrimental properties would impact future generations, and whether alterations in the progenies might be concentration-dependent. The aim of this study was to determine the intergenerational effects of chronic exposure to coal dust on the red flour bee ...
... Erioscelis emarginata is a species of pollinator scarab beetle whose adults are predominantly associated with night-blooming aroid inflorescences (Araceae) of the Neotropical genus Thaumatophyllum, towards which they are attracted by volatile organic compounds (VOCs). It is assumed that olfactory preferences towards species-specific floral VOCs emitted by different plant hosts, as well as geograph ...
Scarabaeidae; elytra; females; males; new genus; new species; South Africa; Tanzania
Abstract:
... A male cetoniine specimen recently submitted for identification from the Ditsong Museum of Natural History (Pretoria, South Africa) has been found to represent a yet unknown species. A review of the recently published book of Beinhundner (2017) has further revealed that one of the specimens mistakenly figured as Lophorrhina donckieri Bourgoin, 1913 in that work is most likely the female of this ne ...
Pterostichus melanarius; abdomen; elytra; fecundity; geometry; morphometry; multivariate analysis; principal component analysis; sexual dimorphism; sexual selection; Russia
Abstract:
... Ground beetles in multiple species vary greatly in the expression of the shape on sexual traits, resulting in a sexual shape dimorphism as a consequence of sexual selection differences. The present research focuses on the study of inter and intrasexual sexual shape dimorphism of two generalist genera of ground beetles Pterostichus and Carabus. Geometric morphometric methods were applied to five ge ...
Dytiscidae; Hydrophilidae; adults; body weight; elytra; mercury; swamps
Abstract:
... The content of mercury in adult water beetles is studied in beaver ponds located in the Polist-Lovat Swamp System (Novgorod oblast). A total of 201 individuals of nine species of the family Dytiscidae and one species of the family Hydrophilidae (size classes II and III) are studied. It is revealed that the mercury content in beetles of size class II differs significantly between species (χ² = 32.9 ...
... In the animal kingdom, macroscopic variations in size, color, and even hairiness are frequently observed between male and female, making the sex of various species easy to discern. In the case of insects, similar variances also exist. While direct observation is a quick and efficient way to differentiate between sexes, there are also variations which are unseen to the naked eye and occur on a micr ...
... Staphylinidae, or rove beetles, are a megadiverse family known for their typically very short elytra exposing most of the abdomen, but the putatively early‐derived subfamily Omaliinae and its relatives have been known to include multiple taxa with unusually long elytra. The ancestral elytral length of the family and of this subfamily have long been debated. We present a phylogenetic analysis of Om ...
Bembidion; body length; elytra; head; morphometry; soil salinity
Abstract:
... This article discusses the effect of soil salinity on the variability of Bembidion (Notaphus) varium (Oliver, 1795). The authors of the article collected imagoes of this species in five ecosystems that differed in soil salinity; 13 linear characteristics, one angular characteristic and 6 morphometric indices were measured. Significant changes in six linear parameters of B. varium (body length, hea ...
Tenebrionidae; elytra; furrows; granules; head; male genitalia; males; new species; rare species; tibia; Iran
Abstract:
... Four new species of tenebrionid beetles of the tribe Helopini are described and figured: Nalassus (s. str.) kadleci {bsp. n.}, N. (s. str.) kataevi {bsp. n.}, Eustenomacidius (Caucasohelops) glebi {bsp. n.} (all the three species are from Loristan Province) and Odocnemis (s. str.) denisi {bsp. n.} from Zanjan and Gilan provinces. The new species of Nalassus Mulsant, 1854 belong to the Iranian medv ...
Carabidae; elytra; limestone; new genus; new species; China
Abstract:
... A new genus and three new species of cave-adapted ground beetles are reported from the limestone cave Shenxian Dong in Huangshan Shi, southeastern Anhui Province, China. Shenoblemus gen. nov. is proposed to place the anophthalmic trechine species S. minusculus sp. nov. This genus is characterized by the tiny but stout body, sub-moniliform antennae, serrated elytral margins near the base, and a wid ...
Carabidae; body size; elytra; endophallus; new subspecies; villages; watersheds; China
Abstract:
... Two new taxa of carabid beetles are described from the Xinjiang-Uygur autonomous region of China. Carabus (Ophiocarabus) ernsti ulastaiensis subsp. n. is described from the southern slopes of the Boro-Horo Mt. Range, NNE of Ulastai Village, the central part of the species range. This new subspecies differs from the nominotypical one by the larger body size (on average, 18.2 mm vs 16.4 mm in nomino ...
... X‐ray microtomography has been applied successfully to obtain reliable microstructural information of many insect species. Nonetheless, the technique has not been widely applied to ambrosia beetles. The ambrosia beetle Euwallacea interjectus (Blandford) was first recorded as a vector of plant pathogenic fungus Ceratocystis ficicola Kajitani & Masuya, which has caused serious wilt disease in many f ...
... Oenopia shirkuhensis sp. nov. (Coleoptera, Coccinellidae) is described and illustrated. It was found in the mountains around Shirkooh mountain, Yazd province, and in the Kukhbenan Mountains, Kerman province, Iran. It is similar to a common ladybird Adalia bipunctata by the colour pattern on elytra. Congeneric species occurring in Iran, O. conglobata and partly O. oncina are illustrated for compari ...
Monochamus; Tetropium fuscum; detritus; elytra; forests; legs; mites; nymphs; Central European region
Abstract:
... We studied the distributional patterns of phoretic deutonymphs of the genera Oodinychus and Trichouropoda (Uropodina) on the longhorn beetles Monochamus sartor urussovii, Plagionotus detritus, Tetropium castaneum, and Te. fuscum, based on large samples of specimens (992 beetles and 25,587 mites) collected in the Białowieża Primeval Forest in Central Europe in the years 2008 and 2012–2016. All the ...
... Through phylogenetic analysis of seven genes, we show that there have been at least six independent entries into intertidal habitats in the history of bembidiine carabids, in the ancestors of: (i) Orzolina Machado, (ii) Bembidion (Desarmatocillenus Netolitzky), (iii) Bembidion laticeps (LeConte) + palosverdes Kavanaugh & Erwin, (iv) Bembidion laterale (Samouelle), (v) Bembidion umi Sasakawa and Be ...
Lycidae; elytra; females; male genitalia; mimicry (behavior); mouthparts; neoteny; parallel evolution; phylogeny; sexual selection
Abstract:
... Net‐winged beetles (Coleoptera: Lycidae) are a diverse group of elateroids known for aposematism and neoteny. Phylogenetic analyses of morphological and molecular data have revealed different results with respect to within‐group relationships. In this study, we recovered a highly supported phylogenomic phylogeny and identified seven subfamilies: Dexorinae stat.n., Calochrominae stat.n., Erotinae, ...
Carabidae; elytra; head; new species; Croatia; Montenegro
Abstract:
... Almost 200 years of continuous and systematic research in subterranean habitats of the Dinaric Karst and adjoining areas have resulted in the discovery of more than 400 specialized subterranean beetles. Among these, a special place belongs to the morphologically well distinguished and elusive, so called aphaenopsoid trechine beetles, which are characterized by a prolonged head, pronotum and append ...
The African oil palm weevil,Elaeidobius kamerunicus is an effective pollinator of oil palm. Each individual palm produces exclusively male or female inflorescence so that the success of pollination depends on the ability of the pollinator to transfer pollen from male to female flowers. The objective of this research was to study the amount of pollen carried by E. ...