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You searched for: Journal Neotropical entomology Remove constraint Journal: Neotropical entomology Subject mortality Remove constraint Subject: mortality Subject biological control agents Remove constraint Subject: biological control agents Subject insect control Remove constraint Subject: insect control
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1. Aspectos biológicos de Cirrospilus neotropicus Diez & Fidalgo (Hymenoptera: Eulophidae), parasitóide de Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae)

Author:
Foelkel, Ester; Redaelli, Luiza R.; Jahnke, Simone M.; Losekann, Paula B.
Source:
Neotropical entomology 2008 v.37 no.3 pp. 279-287
ISSN:
1519-566X
Subject:
Cirrospilus; parasitoids; biological control agents; insect biology; mortality; larval development; longevity; sex ratio; feeding behavior; oviposition; host-parasite relationships; Phyllocnistis citrella; insect pests; plant pests; insect control; biological control; Citrus limonia
Abstract:
... The biology of Cirrospilus neotropicus Diez & Fidalgo reared on third instar Phyllocnistis citrella Stainton larvae having Citrus limonia Osbeck as host plant, was evaluated under controlled conditions (25 +/- 1°C; 12h photophase). The survival, immatures development, longevity, sex ratio, host feeding and oviposition ratio of C. neotropicus, were registered. Two groups of parasitoid females were ...
DOI:
10.1590/S1519-566X2008000300006

2. Qualidade de diferentes espécies de pulgões como hospedeiros do parasitóide Lysiphlebus testaceipes (Cresson) (Hymenoptera: Braconidae, Aphidiinae)

Author:
Silva, R.J.; Bueno, V.H.P.
Source:
Neotropical entomology 2008 v.37 no.2 pp. 173-179
ISSN:
1519-566X
Subject:
Lysiphlebus testaceipes; Brevicoryne brassicae; Lipaphis erysimi; parasitoids; biological control agents; host preferences; mortality; developmental stages; longevity; host-parasite relationships; Myzus persicae; Schizaphis graminum; Rhopalosiphum maidis; Aphis gossypii; insect pests; plant pests; insect control; biological control
Abstract:
... Lysiphlebus testaceipes (Cresson) has a broad aphid host range; however the quality of these preys may interfere in its biological feature. This study aimed to evaluate the quality of three Macrosiphini, Brevicoryne brassicae (L.), Lipaphis erysimi (Kaltenbach) and Myzus persicae (Sulzer), and three Aphidini Schizaphis graminum (Rondani) Rhopalosiphum maidis (Fitch) and Aphis gossypii Glover as ho ...
DOI:
10.1590/S1519-566X2008000200011

3. Parasitismo de larvas da mosca-do-mediterrâneo por Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) em diferentes cultivares de goiaba

Author:
Paranhos, B.A.J.; Walder, J.M.M.; Alvarenga, C.D.
Source:
Neotropical entomology 2007 v.36 no.2 pp. 243-246
ISSN:
1519-566X
Subject:
parasitism; parasitoids; insect pests; cultivars; larvae; Psidium guajava; biological control agents; plant pests; Diachasmimorpha longicaudata; pupation; guavas; insect control; Ceratitis capitata; mortality; biological control; Brazil
Abstract:
... The parasitism efficiency of the Braconidae wasp, Diachasmimorpha longicaudata (Ashmead), was checked on four guava cultivars (Paluma, Sassaoca, Pedro Sato and Kumagai) infested with larvae of medfly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae). Five blocks of eight fruits, each with two fruits of each cultivar, were put inside C. capitata adult cages, during 2h for oviposition, and a we ...
DOI:
10.1590/S1519-566X2007000200010

4. Sobrevivencia do acaro Acarophenax lacunatus (Cross & Krantz) (Prostigmata: Acarophenacidae) na ausencia de alimento

Author:
Oliveira, C.R.F. de; Faroni, L.R.D'A.; Guedes, R.N.C.; Araujo, A.P.A.
Source:
Neotropical entomology 2006 v.35 no.4 pp. 506-510
ISSN:
1519-566X
Subject:
Acarophenax; predatory mites; biological control agents; starvation; mortality; temperature; stored product protection; storage insects; insect control; biological control
Abstract:
... The ability of a natural enemy to tolerate starvation increases its chances to survive in the absence of food, what is an important factor for its success in storage grain environment. The objective of the present work was to assess the survival of Acarophenax lacunatus (Cross & Krantz) in the absence of food. The experiment used individualized physogastric females of A. lacunatus placed in petri ...
DOI:
10.1590/S1519-566X2006000400013

5. Effect of Baculovirus spodoptera isolates in Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) larvae and their characterization by RAPD

Author:
Barreto, M.R.; Guimaraes, C.T.; Teixeira, F.F.; Paiva, E.; Valicente, F.H.
Source:
Neotropical entomology 2005 v.34 no.1 pp. 67-75
ISSN:
1519-566X
Subject:
Baculoviridae; biological control agents; genetic distance; genetic polymorphism; genetic variation; biological control; insect control; Spodoptera frugiperda; moths; insect pests; plant pests; larvae; mortality; larval development; pupal development; duration; lethal dose 50; random amplified polymorphic DNA technique
Abstract:
... The total of 22 Baculovirus isolates surveyed in different corn producing regions in Brazil were used against fall armyworm, Spodoptera frugiperda (J.E. Smith). The viruses were purified and their suspensions were used to feed fall armyworm larvae from 4th and 5th instar. The mortality rate was checked daily and the infected larvae were frost after death, what generally occurred between the 5th an ...
DOI:
10.1590/S1519-566X2005000100010

6. Selecao de isolados de Beauveria bassiana para o controle biologico da broca-do-cafe, hypothenemus hampei (Ferrari) (Coleoptera: Scolytidae)

Author:
Neves, P.M.O.J.; Hirose, E.
Source:
Neotropical entomology 2005 v.34 no.1 pp. 77-82
ISSN:
1519-566X
Subject:
Beauveria bassiana; entomopathogenic fungi; virulence; provenance; biological control agents; fungal spores; sporulation; insect control; biological control; integrated pest management; Hypothenemus hampei; insect pests; plant pests; mortality
Abstract:
... Hypothenemus hampei (Ferrari) (Coffee Berry Borer) is one of the most important coffee pests. Its control is carried out mainly using synthetic chemical products, which contaminate the environment, food and farmers. The entomopathogenic fungus Beauveria bassiana is a natural enemy of coffee berry borer and presents potential for biological control. With the objective to select strains of B. bassia ...
DOI:
10.1590/S1519-566X2005000100011

7. Effect of neem seed oil aqueous solutions on survival and development of the predator Cycloneda sanguinea (L.) (Coleoptera: Coccinellidae)

Author:
Silva, F.A.C. da; Martinez, S.S.
Source:
Neotropical entomology 2004 v.33 no.6 pp. 751-757
ISSN:
1519-566X
Subject:
nontarget organisms; aqueous solutions; predatory insects; ova; longevity; biological control agents; Azadirachta indica; fecundity; seed oils; larval development; botanical insecticides; Cycloneda; sex ratio; mortality; integrated pest management; larvae; insect control; imagos; insect reproduction
Abstract:
... The effects of the neem seed oil aqueous solutions on survival and performance of egg, larva and adult stage of the Coccinelid predator Cycloneda sanguinea (L.) were evaluated under laboratory conditions. In a first trial, eggs and 2nd-instar larvae were sprayed with the neem solutions at 0; 0.5 and 2.25 ml/l and kept at 25 +/- 1 degrees C, 70% RH and 14h photoperiod. Egg viability and duration an ...
DOI:
10.1590/S1519-566X2004000600013

8. Population parameters of Spalangia endius Walker (Hymenoptera: Pteromalidae) on pupae of Musca domestica L. (Diptera: Muscidae)

Author:
La Rossa, F.R.; Crespo, D.C.; Lecuona, R.E.
Source:
Neotropical entomology 2002 v.31 no.4 pp. 597-600
ISSN:
1519-566X
Subject:
life tables; parasitoids; insect pests; pupae; longevity; females; biological control agents; Spalangia endius; female fertility; animal physiology; sexual reproduction; natural enemies; Musca domestica; mortality; biological control; insect control; Argentina
Abstract:
... The potential increase of the parasitoid Spalangia endius Walker was determined under laboratory conditions at 27 degrees C, 50 +/- 10% RH. and 24h darkness. Thirty <12h-old females of the parasitoid were individualized with 15 Musca domestica L. pupae <24h old. Survival of S. endius immature was 90.3 %. Adult females mean longevity was estimated in 8.3 days with a net rate of reproduction of 24.5 ...
DOI:
10.1590/S1519-566X2002000400012

9. Predation as a mortality factor in populations of the spittlebug, Deois flavopicta Stal (Homoptera: Cercopidae)

Author:
Sujii, E.R.; Garcia, M.A.; Fontes, E.M.G.; O'Neil, R.J.
Source:
Neotropical entomology 2002 v.31 no.4 pp. 581-588
ISSN:
1519-566X
Subject:
Urochloa decumbens; pasture plants; pastures; Urochloa ruziziensis; insect pests; Formicidae; natural enemies; biological control agents; insect control; biological control; range management; cerrado; ova; diapause; nymphs; mortality; predator-prey relationships; predation; host specificity; spatial distribution; insect communities; population dynamics; dry season; wet season; herbivores; seasonal variation; predators; Brazil
Abstract:
... The spittlebug, Deois flavopicta Stal, is the main pest in cultivated pastures of the "Cerrados" (savanna) in the central region of Brazil. The insect has three discrete generations during the rainy season (September-April) and a synchronized population of diapausing eggs during the dry season (May-August). Experiments in cultivated pastures showed that nonspecific predators were able to affect si ...
DOI:
10.1590/S1519-566X2002000400010

10. Seletividade de inseticidas a Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae)

Author:
Carvalho, G.A.; Carvalho, C.F.; Souza, B.; Ulhoa, J.L.R.
Source:
Neotropical entomology 2002 v.31 no.4 pp. 615-621
ISSN:
1519-566X
Subject:
pupae; predators; fenpropathrin; esfenvalerate; integrated pest management; endosulfan; application rate; greenhouses; ova; biological control agents; Alabama argillacea; Gossypium; insect control; insect pests; morphogenesis; duration; triflumuron; larvae; toxicity; mortality; biological control; cotton; Chrysoperla; viability; trichlorfon; sexual reproduction; chemical control; Brazil
Abstract:
... The objective of this work was to evaluate the effect the insecticides endosulfan (1.05 g a.i./L), esfenvalerate (0.075 g a.i./L), fenpropathrin (0.09 g a.i./L), trichlorfon (0.09 g a.i./L) and triflumuron (0.0375 g a.i./L), used to control Alabama argillacea (Hübner), on eggs and larvae of Chrysoperla externa (Hagen), under greenhouse conditions. Egg viability, duration of the embryonic period a ...
DOI:
10.1590/S1519-566X2002000400015

11. Host stage structure and baculovirus transmission in Mamestra brassicae L. (Lepidoptera: Noctuidae) larvae: a laboratory examination of small scale epizootics

Author:
Vasconcelos, S.D.; Cory, J.S.; Speight, M.R.; Williams, T.
Source:
Neotropical entomology 2002 v.31 no.3 pp. 391-396
ISSN:
1519-566X
Subject:
viral insecticides; insect pests; Baculoviridae; biological control agents; Mamestra brassicae; population density; larvae; insect control; virulence; mortality; biological control; crops; Germany
Abstract:
... The effects of stage structure and host density on baculovirus horizontal transmission were examined in the laboratory using larvae of the cabbage moth, Mamestra brassicae L. (Lepidoptera: Noctuidae). Insects were reared at three instar combinations and three host densities in closed containers with infected larvae. Insects were observed daily and the number of deaths and time to death were record ...
DOI:
10.1590/S1519-566X2002000300007

12. Compatibilidade de inseticidas e acaricidas com o percevejo predador Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) em algodoeiro

Author:
Torres, J.B.; Silva-Torres, C.S.A.; Silva, M.R.; Ferreira, J.F.
Source:
Neotropical entomology 2002 v.31 no.2 pp. 311-317
ISSN:
1519-566X
Subject:
Gossypium; cotton; Alabama argillacea; insect pests; Podisus; biological control agents; insect control; biological control; chemical control; integrated pest management; predator-prey relationships; toxicity; mortality; insecticides; acaricides; pesticide residues; predators; Brazil
Abstract:
... The objectives of this work were to study the insecticides espinosad, lambdacyhalothrin and monocrotophos on the control of Alabama argillacea (Hubner), the compatibility of these insecticides with the predatory stinkbug Podisus nigrispinus (Dallas), and the effects of the insecticides and acaricides methiocarb, pymetrozine, thiamethoxam, abamectin, diafenthiuron, dicofol and propargite on the pre ...
DOI:
10.1590/S1519-566X2002000200020

13. Toxicidade de lufenurom para Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae)

Author:
Evangelista, W.S. Jr.; Silva-Torres, C.S.A.; Torres, J.B.
Source:
Neotropical entomology 2002 v.31 no.2 pp. 319-326
ISSN:
1519-566X
Subject:
Gossypium; cotton; Alabama argillacea; insect pests; Tenebrio molitor; Podisus; biological control agents; insect control; biological control; chemical control; integrated pest management; toxicity; nymphs; mortality; ova; viability; insecticides; predators; females; application rate; Brazil
Abstract:
... This work investigated the susceptibility of the predatory stinkbug Podisus nigrispinus (Dallas) to lufenuron using different insecticide concentrations and exposure methods. In laboratory, 5th instar nymphs and adults were exposed to 0, 25, 50, 100, 150 and 200 mg a.i./l of lufenuron by topical exposure and by ingestion exposure through treated drinking water. In open-sided greenhouse, 5th-instar ...
DOI:
10.1590/S1519-566X2002000200021