Effects of temperature and photoperiod on the development and oviposition ofApanteles sp. groupUltor [Hym.: Braconidae], a larval parasite of the carob mothEctomyelois ceratoniae [Lep.: Pyralidae] |
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| Authors: | S K Al-Maliky M A J Al-Izzi N F Jabbo |
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| Institution: | (1) Plant Protection Department, Entomol. Sec. Agriculture and Biology Faculty, Nuclear Research Center, P.O. Box 765, Baghdad, Iraq |
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| Abstract: | Development of the solitary parasitoidApanteles sp. groupultor in larvae ofEctomyelois ceratoniae was investigated at different constant temperatures. Temperature had a significant effect upon parasitoid development during
both host-internal and host-external phases. The duration of the host-internal phase varied from 41 days at 15–17°C to 8.6
days at 29°C, the duration of the host-external phase varied from 16.5 days at 16–17°C to 5.4 days at 29°C.
Effect of photoperiod upon parasite development and parasitization of hosts were determined under daily photophases, of 24,
16, 12, 8 and 0 hours. No significant differences in oviposition rate were found among the 5 treatments. In any photoperiod
studied, the parasite progeny developed normally without entering diapause.
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| Keywords: | Apanteles sp groupultor Ectomyelois ceratoniae degree days thermal constant photoperiod |
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