Comparative Biology of Three Coccinellid Predators on Cowpea Aphid Aphis Craccivora

Authors

  • Ipsita Mishra Department of Entomology, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha
  • Subhalaxmi Roy Department of Entomology, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha
  • B. K. Mishra Department of Entomology, Odisha University of Agriculture and Technology, Bhubaneswar 751003, Odisha

DOI:

https://doi.org/10.55446/IJE.2021.35

Keywords:

Cocinella septempunctata, C. transversalis, Cheilomenes.sexmaculata, life stages, size, duration, larval period, developmental period, mortality, morphometrics, temperature

Abstract

Laboratory experiment was conducted to study the biology of coccinellid predators from agroecosystems of Odisha. About 17 species were identified, the most important being Coccinella septempunctata, Coccinella transversalis and Cheilomenes sexmaculata predating on aphids infesting cowpea. The biology of these when evaluated indicated that C. septempunctata was the largest, and C. sexmaculata the smallest; grubs of all the three are susceptible to the rising temperature. The total developmental period was maximum during January and the least during May for all species. Total larval period was 11.9 ± 2.34, 12.1 ± 6.19 and 12.6 ± 0.01 days in January and 8.2 ± 0.07, 7.00 ± 0.01 and 7.9 ± 0.06 during May with C. septempunctata, C. transversalis and C. sexmaculata, respectively; developmental periods for these were observed to be 22.4 ± 0.67, 20.2 ± 1.46 and 17.4 ± 0.82 days during January, and 15.2 ± 0.01, 11.5 ± 0.39 and 12.3 ± 0.61 days during May, respectively. Prepupae and pupae were the least affected by the fluctuations in temperature.

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Published

2021-09-30

How to Cite

Mishra, I. ., Roy, S. ., & Mishra, B. K. . (2021). Comparative Biology of Three Coccinellid Predators on Cowpea Aphid <i>Aphis Craccivora</i>. Indian Journal of Entomology, 84(3), 541–545. https://doi.org/10.55446/IJE.2021.35

Issue

Volume 84, Issue 3, September 2022

Section

Research Articles
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