2002
DOI: 10.1590/s0100-204x2002000900003
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Desempenho alimentar e sobrevivência de Euschistus heros parasitado por Hexacladia smithii em sementes de soja

Abstract: Resumo -Avaliou-se, em laboratório, a influência do parasitóide Hexacladia smithii Ashmead (Hymenoptera: Encyrtidae) na atividade alimentar e sobrevivência de Euschistus heros (Fabricius) (Hemiptera: Pentatomidae), aos 10, 20, 30 e 40 dias após o início do parasitismo. A atividade alimentar foi avaliada pelo número de bainhas constatadas nas sementes de soja, Glycine max (L.) Merrill (Fabaceae), em 48 horas de alimentação. O teste foi mantido sob condições controladas de temperatura (25±2°C), umidade (65±10%) … Show more

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Cited by 6 publications
(3 citation statements)
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“…The number of stylet sheaths is a parameter used for inference of food activity and host preference for hemipterans [28,30]. Figure 12a shows stylet sheath damage to bean pods by E. heros, where each violet dot indicates a stylet sheath.…”
Section: Entomology Experiments: Feeding Activity Of Insectsmentioning
confidence: 99%
“…The number of stylet sheaths is a parameter used for inference of food activity and host preference for hemipterans [28,30]. Figure 12a shows stylet sheath damage to bean pods by E. heros, where each violet dot indicates a stylet sheath.…”
Section: Entomology Experiments: Feeding Activity Of Insectsmentioning
confidence: 99%
“…Adultos de E. heros parasitados por H. smithii sofrem uma redução na sobrevivência e na atividade alimentar, o que evidencia a importância desse parasitoide como agente de controle biológico natural (NUNES & CORRÊA-FERREIRA, 2002).…”
Section: Among the Insects That Attack Soybeans Brown Stink Bug Euscunclassified
“…Seed-sucking insects, particularly the neotropical brown stink bug Euschistus heros (Hemiptera: Pentatomidae), represent a major problem affecting soybean production in Brazil (Corrêa- Ferreira, 2005). These insects are present on soybean plants beginning at the vegetative phase, and hamper pod formation from the onset of seed-filling to maturity (Nunes and Corrêa-Ferreira 2002). However, soybean plants in the later stages are the most appropriate source of food for nymphs and adults of these stink bugs, relative to earlier stages (Panizzi and Alves 1993).…”
Section: Introductionmentioning
confidence: 99%