Chromosomal studies on gall aphids Eriosoma ulmi and Tetraneura nigriabdominalis from Kullu, Himachal Pradesh

Authors

  • Raghubir Singh Research Scholar of Zoology, Cytogenetics and Molecular Genetics Biosciences Department, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005, India.
  • Meena Kumari Associate Professor of Zoology, Biosciences Department, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005, India.
  • Mansi Yadav Research Scholar, Maharshi Dayanand University, Rohtak, Haryana 124001, India
  • Sarita Kumari Ph.D Scholar of Zoology Cytogenetics and Molecular Genetics lab no. 405, Zoology Biosciences Department, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh 171005, India.

DOI:

https://doi.org/10.48165/

Keywords:

Eriosoma, Tetraneura, Gall, Aphid, Karyotype, Holocentric, Chromosome

Abstract

In the present investigation, karyotypes of two species  of gall forming aphids, viz., Eriosoma ulmi (Linnaeus),  and Tetraneura nigriabdominalis (Sasaki) have been  studied. These aphid species were found to be  infesting Ulmus wallichiana from Kullu district of  Himachal Pradesh. The diploid chromosome number  in E. ulmi is ten (2n=10), whereas T. nigriabdominalis is  eighteen (2n=18). The chromosomes were holocentric.  The karyotypes have been described. Idiograms were  prepared on relative length data. 

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Published

2022-06-15

Issue

Vol. 41 No. 1 (2022): Bulletin of Pure and Applied Sciences-Zoology (Jan-Jun) 2022

Section

Articles

How to Cite

Chromosomal studies on gall aphids Eriosoma ulmi and Tetraneura nigriabdominalis from Kullu, Himachal Pradesh . (2022). Bulletin of Pure & Applied Sciences- Zoology , 41(1), 125–130. https://doi.org/10.48165/