Abstract
Pseudotheraptus devastans Distant (Heteroptera: Coreidae), is an important coconut pest in C?te d’Ivoire. The stings from Nymph and adult cause not only the falling of immature nuts, but also their deformation. This triggers losses of production in the order can reach 80%. Little information is available about this pest. Those existing are limited to its ecology and damages caused in host-plants. The present investigation is aimed to study the life cycle of this pest. The experiment was carried out in a coconut field of the Marc Delorme Coconut Research Station (MDCRS). On these coconut palms, bunches between 3 and 4 months of age, enclosed in cage were used. Development duration from an egg to adult emergence averaged 28.26 days. The average incubation period was on average 6.63 days and fertility rate of eggs was 98.01%. Nymphal development period was 21.63 days. The sex-ratio is in favour of females which live 112.6 ± 13.45 days. These females laid on average 198.85 ± 36.05 eggs. The males lived on average 131.3 ± 17.7 days. The knowledge of these different parameters could allow the development of a control method based on the breaking of life cycle of this pest.
Highlights
The bug Pseudotheraptus devastans Distant (1917) belongs to the Class Insecta, Order Hemiptera, SuborderHow to cite this paper: Doh, F., Yoboue, K., Koffi, B.E.Z., Issali, A.E., Allou, K. and Dagnogo, M. (2016) Biological Cycle of Bug Pseudotheraptus devastans Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire
Almost all of the information on Pseudotheraptus devastans, results from works led in Côte d’Ivoire and in Republic of the Congo on the pest ecology and damages caused to the host plants [2] [4] [5] [9]
Three main steps were observed during life cycle of Pseudotheraptus devastans
Summary
The bug Pseudotheraptus devastans Distant (1917) belongs to the Class Insecta, Order Hemiptera, SuborderHow to cite this paper: Doh, F., Yoboue, K., Koffi, B.E.Z., Issali, A.E., Allou, K. and Dagnogo, M. (2016) Biological Cycle of Bug Pseudotheraptus devastans Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire. (2016) Biological Cycle of Bug Pseudotheraptus devastans Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire. Heteroptera, Family Coreidae, Genus Pseudotheraptus and Species devastans [1] This bug is a serious coconut pest (Cocos nucifera L.) in Côte d’Ivoire. Studies geared towards identification of ecologically healthy methods may prove more effective They require the knowledge more detailed of the bug biology. Almost all of the information on Pseudotheraptus devastans, results from works led in Côte d’Ivoire and in Republic of the Congo on the pest ecology and damages caused to the host plants [2] [4] [5] [9]. The work carried out aimed to study the biological cycle of P. devastans for further control purposes
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