Agricultural Science Digest

Biology of Raoiella indica Hirst. (Acari: Tenupalpidae) on Arecanut Leaves under Laboratory Conditions

DOI: 10.18805/ag.D-5095    | Article Id: D-5095 | Page : 295-298
Citation :- Biology of Raoiella indica Hirst. (Acari: Tenupalpidae) on Arecanut Leaves under Laboratory Conditions.Agricultural Science Digest.2020.(40):295-298
Indhusri Chavan, S. Pradeep, M. Manjunatha, H. Narayanaswamy, S. Sridhara indushree8036@gmail.com
Address : Department of Agricultural Entomology, College of Agriculture, Shivamogga-577 204, Karnataka, India.
Submitted Date : 26-11-2019
Accepted Date : 19-02-2020
First Online:

Abstract

Biology of Raoiella indica Hirst was studied under laboratory at 27 ± 2°C temperature and 79 ± 5.75 percent RH. The finding showed that life cycle of R. indica consisted of five stages viz., eggs, larva, protonymph, deutonymph and adult. The eggs incubation period of R. indica was 9.790 ± 1.94 days. The larval body measured 0.09 and 0.13 mm in length and 0.08 to 0.10 mm in width and lived for 8.35 ± 0.84 days. The total developmental period of female was 29.80 ± 2.73 days and male took 31.27±40 days. Mated female lived for longer time and laid higher number of eggs than unmated female. 

Keywords

Arecanut Arecanut leaves Biology Raoiella indica Tenupalpidae

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