Polymorphism of Oenopia conglobata (Col.: Coccinellidae) in Shahrood and Bastam regions (Semnan province)

Document Type : Short paper

Authors

1 1- M.S. Student in Entomology, Department of Plant Protection, Shahrood University of Technology, Iran

2 Assistant Prof., Department of Plant Protection, Shahrood University of Technology, Iran

3 3- Prof., Research Institute of Forests and Rangelands, Agriculture Research, Education and Extension Organization (AREEO), Tehran, Iran

4 M.S. Entomology Student, Department of Plant Protection, Shahrood University of Technology, Iran

10.22092/ijfrpr.2023.360077.1554

Abstract

In a survey on the fauna of ladybirds which was carried out in Shahrood and Bastam regions during 2015, oenopia conglobata with a frequency of 11/23% relative to the other species was in fourth level. Ladybirds are the most important natural enemies of pests such as aphids, psyllids and lace bugs that activity of them is proved on the non-fruit trees and fruit trees. Color pattern variation of the elytra and pronotum in Oenopia conglobata was studied on ornamental and forest plants in two differents weather conditions in Shahrood and Bastam regions. Samples were collected by net-trap and white-tray. After transferring to the laboratory, were placed in glass with alcohol 75%. Identification was conducted based on general morphological characters as well as of their genitalia. Different morphs were identified based on morphological characteristics including color, size, pattern and number spots on dorsal surface of the elytra and pronotum. 5 different morphs of O. conglobata were identified so morphs 4 and 2 had the highest and the least abundance, respectively.

Keywords

References

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History

  • Receive Date: 21 September 2022
  • Revise Date: 10 November 2022
  • Accept Date: 22 November 2022

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