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Adult emergence pattern of parasitoidApanteles angaleti and its known hosts during off-season in Punjab

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Abstract

Observations on emergence pattern of parasitoidApanteles angaleti Muesebeck and its 2 hosts, cotton pink bollwormPectinophora gossypiella (Saunders) and saprophyteSathrobrota simplex Wlsm. were made during 1980–81 to 1983–84. The adult emergence of parasitoidA. angaleti and non-pestS. simplex was similar and completed by end April. ParasitoidA. angaleti overwintered mostly in the larvae of non-pestS. simplex and not in pink bollworm larvaeP. gossypiella. The early breeding activity ofS. simplex in the rotten bolls in the cotton stacks helped in the carryover and initial build-up ofA. angaleti to the main crop season. The initiation and peak moth emergence in pink bollworm varied with different sources of its carryover but all adults emerged until end August.

Résumé

Des observations sur l'apparition du parasitoïdeApanteles angaleti Muesebeck et de ses 2 hôtes, le ver rose de la capsule du coton,Pectinophora gossypiella (Saunders) et la saprophyteSathrobrota simplex Wlsm, ont été réalisées de 1980–81 à 1983–84. La période d'apparition de l'adulte du parasitoïdeA. angaleti et deS. simplex était identique et s'achevait à la fin avril. Le parasitoïdeA. angaleti hivernait principalement dans les larves du saprophageS. simplex et non dans les larves du ver roseP. gossypiella. La multiplication précoce deS. simplex dans les capsules pourries des tas de coton aidait au transport et au développement initial d'A. angaleti lors de la principale saison de culture. Le début et l'apparition maximale de papillons chez le ver rose de la capsule variait en fonction des différentes sources de transport, mais tous les adultes se manifestaient jusqu'à la fin août.

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Singh, J., Sandhu, S.S. & Sidhu, A.S. Adult emergence pattern of parasitoidApanteles angaleti and its known hosts during off-season in Punjab. Entomophaga 33, 309–314 (1988). https://doi.org/10.1007/BF02372620

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  • DOI: https://doi.org/10.1007/BF02372620

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