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Euschistus heros mass rearing technique for the multiplication of Telenomus podisi. Repositório Alice
SILVA, C.C.; LAUMANN, R.R.; BLASSIOLI, M.C.. PAREJA, M.; BORGES, M..
The objective of this work was to improve the mass rearing technique of Euschistus heros in laboratory. Nymphs and adults were reared at densities 100, 200, 300 and 400 eggs per Petri dish (9 cm diameter), and at 50, 100, 150 and 200 couples per rearing cages (900 mL), respectively. Survival rate of immature stages and survivorship and reproduction of adults were determinated. Survivorship of nymph to adult was the highest (89%) at density 100 eggs per dish. Adult survivorship was independent of density, and 100 couples per cage were the best to improve quality of the produced progeny. In these conditions, fecundity was 160.8±9.28 eggs per female, and a total of 8,950±456 eggs per cage per month was produced. Two hundred couples per cage showed a negative...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biological control; Density; Egg parasitoid; Neotropical brown stink bug; Controle biológico; Densidade; Parasitóide de ovos; Percevejo marrom.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/handle/doc/124995
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Sensory response of the egg parasitoid Telenomus podisi to stimuli from the bug Euschistus heros. Repositório Alice
SILVA, C.C.; MORAES, M.C.B.; LAUMANN, R.A.; BORGES, M..
The objective of this work was to study the foraging behavior of Telenomus podisi Ashmead (Hymenoptera: Scelionidae) in the presence of stimuli from its host, Euschistus heros (Heteroptera: Pentatomidae). The stimuli selected were: egg mass; virgin males and females; volatile extracts of sexually mature males and females; components of male sex pheromone; a component of the alarm pheromone, hexane and an empty cage as control. In a closed arena, the parasitoids were given the choice between single and combined stimuli presented to them simultaneously. To find the host egg, T. podisi primarily uses the sensory cues released from the male insects. The orientation toward odors of male chemical extract indicates that a source of kairomone was detected. Gas...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Forage behavior; Sex pheromone; Olfactory response; Combination of stimuli; Comportamento de busca; Feromônio sexual; Resposta olfativa; Combinação de estímulos.
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/handle/doc/119048
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