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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2018, Vol. 6, Issue 6
Settlement behavior of lac insect, Kerria lacca crawlers

Lakshmi Kanta Hazarika, Purnima Das, Rituraj Saikia and Athar Nishat Islam

Initial settlement density of the crawlers of lac insect, Kerria lacca Kerr (Hemiptera: Tachardidae) in different cardinal directions of the host plant branches was examined for two consecutive crops of Kusumi strain, summer and winter crop, during 2016-17. For the summer crop, initial settlement density towards west (31.2/sq. cm) and south (34.6/sq. cm) was significantly low as compared to that towards north (97.0/sq. cm) and east (89.2/sq. cm). For winter crop, highest settlement density was observed towards north (91.8/sq. cm) which differed significantly from that in the west direction (57.2/sq. cm). In case of horizontal branches, initial settlement density in the lower side of the branch was much higher (92.6/sq. cm and 77.2/sq. cm) then the upper side (26.8/sq. cm and 25.6/sq. cm) for both summer and winter crops, respectively. The observed difference in the cardinal direction might be due to shade preference characteristic of the insect.
Pages : 1267-1269 | 700 Views | 240 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Lakshmi Kanta Hazarika, Purnima Das, Rituraj Saikia, Athar Nishat Islam. Settlement behavior of lac insect, Kerria lacca crawlers. J Entomol Zool Stud 2018;6(6):1267-1269.

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