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You searched for: Journal Entomologia experimentalis et applicata Remove constraint Journal: Entomologia experimentalis et applicata Publication Year 2007 Remove constraint Publication Year: 2007 Source 2007 v.125 no.2 Remove constraint Source: 2007 v.125 no.2
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1. Development of a positive preference-performance relationship in an oligophagous beetle: adaptive learning

Author:
Xue, Huai-Jun; Egas, Martijn; Yang, Xing-Ke
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 119-124
ISSN:
0013-8703
Subject:
Agrimonia pilosa; Altica; Duchesnea indica; Potentilla chinensis; Sanguisorba officinalis; adults; alternative hosts; eclosion; eggs; females; host plants; intermediate hosts; larvae; learning; oviposition; progeny; sympatry
Abstract:
... The relationship between oviposition preference and larval performance is a central topic in insect-plant biology. In this study, we investigate whether the oligophagous flea beetle, Altica fragariae Nakane (Coleoptera: Chrysomelidae), exhibits a positive preference-performance relationship, and whether oviposition preference develops over time. We tested the beetles using four sympatric plant spe ...
DOI:
10.1111/j.1570-7458.2007.00605.x

2. Effect of inorganic and organic forms of selenium supplementation on development of larval Heliothis virescens

Author:
Popham, Holly J.R.; Shelby, Kent S.
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 171-178
ISSN:
0013-8703
Subject:
Heliothis virescens; adults; dietary supplements; herbivores; insect larvae; insects; larval development; mortality; plant tissues; pupae; pupation; selenium; selenomethionine; sodium selenate; sodium selenite; toxicity; vertebrates; yeasts
Abstract:
... Selenium (Se) is an essential micronutrient for vertebrates though little is known about the effects on insects. Herbivorous insect larvae acquire Se from plant tissues in the inorganic form of sodium selenate and sodium selenite, and in the organic form of selenoamino acids, selenomethionine, and selenocystine. In this study, we document the effects of dietary supplementation with sodium selenite ...
DOI:
10.1111/j.1570-7458.2007.00609.x

3. Electrophysiological responses of the blue willow leaf beetle, Phratora vulgatissima, to volatiles of different Salix viminalis genotypes

Author:
Fernandez, Patricia C.; Meiners, Torsten; Björkman, Christer; Hilker, Monika
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 157-164
ISSN:
0013-8703
Subject:
Phratora vulgatissima; Salix viminalis; acetates; beta-caryophyllene; electroantennography; electrophysiology; females; food plants; gas chromatography-mass spectrometry; genotype; headspace analysis; host plants; leaves; males; phytophagous insects
Abstract:
... Among numerous other factors, host-plant volatiles may affect selection of food plants by herbivorous insects. The blue willow leaf beetle, Phratora vulgatissima (L.) (Coleoptera: Chrysomelidae), is known to differentiate between willow species and genotypes. However, so far no knowledge is available on the physiological abilities of this leaf beetle to respond to willow volatiles. In this study, ...
DOI:
10.1111/j.1570-7458.2007.00611.x

4. Evidence for male- and juvenile-specific contact pheromones of the common bed bug Cimex lectularius

Author:
Siljander, Eric; Penman, Dan; Harlan, Harold; Gries, Gerhard
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 215-219
ISSN:
0013-8703
Subject:
Cimex lectularius; adults; aggregation pheromones; females; juveniles; laboratory experimentation; males; paper; refuge habitats
Abstract:
... Males and females of the common bed bug, Cimex lectularius L. (Heteroptera: Cimicidae), have been shown to produce and respond to an aggregation pheromone. We tested whether juvenile C. lectularius also produce and respond to aggregation pheromone, and whether the pheromone is perceived by contact chemoreception. In dual-choice laboratory experiments, juveniles, but not males or females, preferred ...
DOI:
10.1111/j.1570-7458.2007.00617.x

5. Group size in a gregarious tortoise beetle: patterns of oviposition vs. larval behaviour

Author:
Costa, Juan F.; Cosio, Walter; Gianoli, Ernesto
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 165-169
ISSN:
0013-8703
Subject:
Calystegia sepium; Chelymorpha; adulthood; adults; eggs; gardens; group size; host plants; larvae; larval development; leaves; neonates; oviposition; rearing; regression analysis
Abstract:
... In laboratory and garden experiments, we tested for the existence of adaptive patterns of oviposition and larval behaviour regarding group size in the gregarious tortoise beetle Chelymorpha varians Blanchard (Coleoptera: Chrysomelidae: Cassidinae) on its host plant Calystegia sepium L. (Convolvulaceae). Specifically, we addressed the following questions: (i) Which is the more frequent egg cluster ...
DOI:
10.1111/j.1570-7458.2007.00612.x

6. Infection of potato plants with potato leafroll virus changes attraction and feeding behaviour of Myzus persicae

Author:
Alvarez, A.E.; Garzo, E.; Verbeek, M.; Vosman, B.; Dicke, M.; Tjallingii, W.F.
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 135-144
ISSN:
0013-8703
Subject:
Myzus persicae; Potato leafroll virus; Solanum tuberosum; feeding behavior; headspace analysis; leaves; plant diseases and disorders; plant viruses; potatoes; viruses
Abstract:
... Potato leafroll virus (PLRV; genus Polerovirus, family Luteoviridae) is a persistently transmitted circulative virus that depends on aphids for spreading. The primary vector of PLRV is the aphid Myzus persicae (Sulzer) (Homoptera: Aphididae). Solanum tuberosum L. potato cv. Kardal (Solanaceae) has a certain degree of resistance to M. persicae: young leaves seem to be resistant, whereas senescent l ...
DOI:
10.1111/j.1570-7458.2007.00607.x

7. Morbidity and recovery of the Pacific Coast wireworm, Limonius canus, following contact with tefluthrin-treated wheat seeds

Author:
van Herk, W.G.; Vernon, R.S.
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 111-117
ISSN:
0013-8703
Subject:
Limonius canus; Triticum; active ingredients; instars; morbidity; seed treatment; seeds; tefluthrin; wheat
Abstract:
... Late instars of the Pacific Coast wireworm, Limonius canus (LeConte) (Coleoptera: Elateridae), were exposed to wheat seeds treated with tefluthrin at 5, 10, 15, 20, or 30 g active ingredient (a.i.) per 100 kg wheat seed for 1, 2, 4, 8, or 16 min. All wireworms were moribund within 20 min of first exposure and recovered fully within 12 h. The time required for recovery (tr) after a single exposure ...
DOI:
10.1111/j.1570-7458.2007.00600.x

8. Ovarian dynamics, egg size, and egg number in relation to temperature and mating status in a butterfly

Author:
Steigenga, Marc J.; Fischer, Klaus
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 195-203
ISSN:
0013-8703
Subject:
Bicyclus anynana; butterflies; ectothermy; eggs; oocytes; oviposition; phenotypic plasticity; reproductive performance; temperature; virgin females
Abstract:
... Although the temperature-size rule, that is, an increase in egg (and body) size at lower temperatures, applies almost universally to ectotherms, the developmental mechanisms underlying this consistent pattern of phenotypic plasticity are hitherto unknown. By investigating ovarian dynamics and reproductive output in the tropical butterfly Bicyclus anynana (Butler) (Lepidoptera: Nymphalidae: Satyrin ...
DOI:
10.1111/j.1570-7458.2007.00610.x

9. Shifting of the life cycle and life-history traits of the fall webworm in relation to climate change

Author:
Gomi, Tadashi; Nagasaka, Masami; Fukuda, Takeshi; Hagihara, Hideharu
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 179-184
ISSN:
0013-8703
Subject:
Hyphantria cunea; diapause; global warming; heat sums; instars; larvae; life history; meteorological data; pupae; temperature; Japan
Abstract:
... The effects of global warming on the life cycle and life-history traits of the fall webworm, Hyphantria cunea (Drury) (Lepidoptera: Arctiidae), were investigated in Fukui, Japan. Our previous studies showed that the Fukui population had a predominantly bivoltine life cycle, but recently the life cycle has changed. In the present study, the life-history traits of individuals collected in 2002 in Fu ...
DOI:
10.1111/j.1570-7458.2007.00616.x

10. Stable isotopes as markers to investigate host use by Rhyzopertha dominica

Author:
Mahroof, Rizana M.; Phillips, Thomas W.
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 205-213
ISSN:
0013-8703
Subject:
C3 photosynthesis; C4 plants; Rhyzopertha dominica; adults; carbon; corn; crops; grain storage facilities; habitats; host plants; insects; laboratory experimentation; laboratory rearing; nitrogen; seeds; stable isotopes; storage pests; stored grain; wheat; Oklahoma
Abstract:
... Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) is a serious worldwide pest of stored cereal grains that also has the ability to breed in non-agricultural host plant material. Stable isotope signatures (concentrations of isotopes) were used as internal tissue markers to determine dietary differences among adult R. dominica and to make inferences about source habitats of field-trapped insects. ...
DOI:
10.1111/j.1570-7458.2007.00618.x

11. Synergism between aromatic compounds and green leaf volatiles derived from the host plant underlies female attraction in the oriental fruit moth

Author:
Piñero, Jaime C.; Dorn, Silvia
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 185-194
ISSN:
0013-8703
Subject:
Cydia; Grapholita molesta; Prunus persica; acetates; aromatic compounds; benzaldehyde; females; headspace analysis; herbivores; host plants; leaves; methyl salicylate; moths; odors; oviposition sites; peaches; synergism; valeric acid; volatile compounds
Abstract:
... Blends of volatile compounds emitted by host plants are known to mediate the attraction of gravid female herbivores to oviposition sites, but the role of individual odor components is still little understood. We characterized the olfactory response of mated female Cydia (Grapholita) molesta (Busck) (Lepidoptera: Tortricidae) to synthetic mixtures of compounds emitted by peach shoot, a key host pla ...
DOI:
10.1111/j.1570-7458.2007.00614.x

12. Temporal variation in foraging activity and efficiency and the role of hitchhiking behaviour in the leaf-cutting ant, Atta cephalotes

Author:
Yackulic, Charles B.; Lewis, Owen T.
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 125-134
ISSN:
0013-8703
Subject:
Atta cephalotes; Diptera; energy efficiency; foraging; fungal contamination; fungi; leaf-cutting ants; leaves; opportunity costs; parasitism; parasitoids; risk; sap; temporal variation
Abstract:
... Two phenomena are integral to the foraging behaviour of leaf-cutting ants in the genus Atta: hitchhiking (where small ants ride on leaf fragments carried by larger workers) and rhythmic foraging (where foraging activity shows marked fluctuations over time). While parasitism by phorid flies has been implicated in eliciting both behaviours, recent research suggests fungal contaminants and the need t ...
DOI:
10.1111/j.1570-7458.2007.00606.x

13. The role of the plant in attracting parasitoids: response to progressive mechanical wounding

Author:
Connor, Edward C.; Rott, Anja S.; Samietz, Jörg; Dorn, Silvia
Source:
Entomologia experimentalis et applicata 2007 v.125 no.2 pp. 145-155
ISSN:
0013-8703
Subject:
Brassica oleracea var. gemmifera; Brussels sprouts; Cotesia glomerata; Pieris brassicae; acetates; antagonists; bioassays; cabbage; desorption; females; flight; gas chromatography-mass spectrometry; herbivores; mechanical damage; models; parasitic wasps; plant damage; plant response; volatile compounds
Abstract:
... Based on the model system of Brussels sprouts [Brassica oleracea var. gemmifera (Brassicaceae)], the herbivore cabbage white caterpillar, Pieris brassicae (L.) (Lepidoptera: Pieridae), and the parasitoid wasp, Cotesia glomerata (L.) (Hymenoptera: Braconidae), the influence of plant damage type, and damage duration were assessed on plant volatile emission and subsequent recruitment of natural antag ...
DOI:
10.1111/j.1570-7458.2007.00602.x