Regulatory potential of parasitoids over Aphis gossypii Glover, 1877 populations (Hemiptera: Aphididae) under semiarid laboratory conditions

Authors

  • Raouf Bensaad Département des Sciences Agronomiques, Université Abdelhamid Ibn Badis, Mostaganem, 27000, Algérie
  • Yannick Outreman IGEPP, Agrocampus Ouest, INRA, Université de Rennes 1, Université Bretagne-Loire, 35000 Rennes, France
  • Anne le Ralec IGEPP, Agrocampus Ouest, INRA, Université de Rennes 1, Université Bretagne-Loire, 35000 Rennes, France
  • Yamina Guenaoui Département des Sciences Agronomiques, Université Abdelhamid Ibn Badis, Mostaganem, 27000, Algérie
Keywords: Aphid pests; Biological control; Potato fields; Climatic conditions; Lysiphlebus testaceipes; Aphidius matricariae

Abstract

This study aims to evaluate the regulatory potential of Lysiphlebus testaceipes and Aphidius matricariae over Aphis gossypii in semiarid laboratory conditions. Our results showed that the longevity of L. testaceipes females was significantly lower than A. matricariae ones. The daily mummification rate of aphid was more important for L. testaceipes than for A. matricariae and declined with parasitoids age. Overall, both the mummification rates and the emergence rates were the highest in L. testaceipes. A. matricariae offspring developed in a shorter time compared to L. testaceipes ones. The overall sex ratio did not vary according to parasitoid species. From our results L. testaceipes was more effective for the biological control of A. gossypii on potato in the semi-arid agro-ecosystems.

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Published
18-12-2019
How to Cite
Bensaad, R., Outreman, Y., le Ralec, A., & Guenaoui, Y. (2019). Regulatory potential of parasitoids over Aphis gossypii Glover, 1877 populations (Hemiptera: Aphididae) under semiarid laboratory conditions. Anales de Biología, (41), 89–96. Retrieved from https://revistas.um.es/analesbio/article/view/414121
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