Morphometrics of Pectinophora gossypiella (Saunders) on Cotton as Influenced by Temperature

Authors

  • K. V. Deshmukh PG Research laboratory, Department of Agricultural Entomology, College of Agriculture, Latur 413512, Maharashtra
  • V. K. Bhamare PG Research laboratory, Department of Agricultural Entomology, College of Agriculture, Latur 413512, Maharashtra

DOI:

https://doi.org/10.55446/IJE.2023.1323

Keywords:

Pectinophora gossypiella, morphometrics, temperature, head capsule, wing span, instars, body length, body weight, Dyar’s rule

Abstract

The morphometry of life stages of the pink boll worm Pectinophora gossypiella (Saunders) was evaluated at four temperature levels of 20, 25, 30 and 35°C to assess the impact of temperature. Measurement of larval head capsule width, body length, body width and weight on cotton at 20°C were 0.68, 0.87, 0.98 and 1.24 mm, 2.27, 5.80, 7.46 and 10.60 mm, 1.08, 1.58, 1.68 and 2.53 mm and 0.40, 2.84, 24.42 and 64.21 mg for I, II, III and IV larval instars, respectively. The mean pupal length and weight of male and female varied significantly when reared at different temperature levels.

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Published

2023-11-01

How to Cite

Deshmukh, K. V., & Bhamare, V. K. (2023). Morphometrics of <i>Pectinophora gossypiella</i> (Saunders) on Cotton as Influenced by Temperature. Indian Journal of Entomology, 1–4. https://doi.org/10.55446/IJE.2023.1323

Issue

Section

Research Communications

References

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