Chromosomal Studies on Some Aphid Species from the Shimla Hills of Himachal Pradesh, India

Authors

  • Meena Kumari Associate Professor in the Department of Biosciences, Himachal Pradesh University Summerhill, Shimla, Himachal Pradesh 171005, India.
  • Parul Sanaik Research scholar, Department of Biosciences, Himachal Pradesh University Summerhill, Shimla, Himachal Pradesh 171005, India.
  • Sarita Kumari Research scholar, Department of Biosciences, Himachal Pradesh University Summerhill, Shimla, Himachal Pradesh 171005, India.

DOI:

https://doi.org/10.48165/bpas.2023.42A.2.2

Keywords:

Aphids, Karyotypes, Chromosomes, Idiograms, Relative lengths, Calaphidinae

Abstract

This paper presents the chromosomal analysis of three  aphid species collected from orchards of Shimla,  Himachal Pradesh, belonging to the following two  subfamilies: Aphidinae and Calaphidinae.  Chromosomal studies revealed the highest reported  diploid number (2n) as 12 in Myzus persicae collected from the Apricot plant, and the lowest reported diploid  number (2n) as 8 in Aphis craccivora and Chromaphis juglandicola infesting Apple and Walnut plant  respectively. For, the construction of karyotypes and  idiograms, detailed information regarding the mean  actual length, total complement length, and relative  lengths of chromosomes was calculated by using a scale  and ocular micrometer. The karyotypes show a gradual  decrease in the lengths of the chromosomes. 

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References

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Published

2023-12-20

Issue

Vol. 42 No. 2 (2023): Bulletin of Pure and Applied Sciences-Zoology (Jul-Dec) 2023

Section

Articles

How to Cite

Chromosomal Studies on Some Aphid Species from the Shimla Hills of Himachal Pradesh, India . (2023). Bulletin of Pure & Applied Sciences- Zoology , 42(2), 224–229. https://doi.org/10.48165/bpas.2023.42A.2.2