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Abstract
Phauda flammans Walker (Lepidoptera, Zygaenidae) is one of the notorious defoliators on Ficus spp. trees. In order to avoid environmental pollution, potential biological control agents for P. flammans need to be investigated instead of chemical control. Four species of insect parasitoids were identified from P. flammans, including three hymenopteran species (i.e., Gotra octocinctus, Apanteles sp. and Eurytoma verticillata) and one dipteran species (i.e., Exorista yunnanica). Parasitoid ratios of G. octocinctus, Apanteles sp., Eu. verticillata and Ex. yunnanica were 7.2%, 4.2%, 1.6% and 0.9%. The four species were all larval endoparasitoids of P. flammans larvae. Time of cocoon (pupa) to adult, life span, major axis of cocoon and body length of females were all longer compared to males for G. octocinctus, Apanteles sp. and Ex. yunnanica. Based on the parasitoid ratios, the most abundant parasitoid species was G. octocinctus.
Alternate abstract:
Phauda flammans Walker (Lepidoptera, Zygaenidae) est l’un des défoliateurs notoires sur Ficus spp. Afin d’éviter la pollution de l’environnement, il est nécessaire d’étudier des agents potentiels de lutte biologique contre P. flammans, pour remplacer la lutte chimique. Quatre espèces d’insectes parasitoïdes ont été identifiées chez P. flammans, dont trois espèces d’hyménoptères (Gotra octocinctus, Apanteles sp., Eurytoma verticillata) et une espèce de diptères (Exorista yunnanica). Les ratios parasitoïdes de G. octocinctus, Apanteles sp., Eu. verticillata et Ex. yunnanica étaient 7.2 %, 4.2 %, 1.6 % et 0.9 %. Les quatre espèces étaient toutes des endoparasitoïdes larvaires des larves de P. flammans. La durée de cocon (nymphe) à adulte, la durée de vie, la longueur de l’axe majeur de cocon et la longueur du corps était plus élevées chez les femelles que pour les mâles pour G. octocinctus, Apanteles sp. et Ex. yunnanica. Sur la base des ratios de parasitoïdes, l’espèce de parasitoïde la plus abondante était G. octocinctus.
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