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.
Résumé
Le développement du parasitoïde solitaireApanteles sp. groupeultor à l'intérieur des larves d'Ectomyeloïs ceratoniae a été étudié à différentes températures constantes. La température a un effet significatif sur le développement du parasitoïde durant les phases endophages et ectophages. La durée de la phase endophage variait de 41 jours à 15–17°C à 8,6 jours à 29°C, la durée de la phase ectophage variait de 16,5 jours à 16–17°C à 5,4 jours à 29°C.
L'effet de la photopériode sur le développement du parasitoïde et sur l'attaque des hôtes a été déterminé aux photophases journalières de 24, 16, 12, 8 et 0 heure. Aucune différence significative du taux d'oviposition n'a été trouvée entre les 5 traitements. Dans chaque photopériode étudiée, la descendance du parasite se développait normalement sans manifester de diapause.
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Al-Maliky, S.K., Al-Izzi, M.A.J. & Jabbo, N.F. 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] . Entomophaga 33, 193–200 (1988). https://doi.org/10.1007/BF02372654
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DOI: https://doi.org/10.1007/BF02372654