Adult population differences in response to six insecticides in Culex fuscocephala Theobald.

Pushpalatha, N. and Vijayan, V. A. (1994) Adult population differences in response to six insecticides in Culex fuscocephala Theobald. Southeast Asian Journal of Tropical Medicine and Public Health, 25 (3, Cop). pp. 532-5. ISSN 0125-1562

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Adult bioassay was conducted in the lab. on two populations of Culex fuscocephala, a vector of Japanese encephalitis (JE) in India, against two organochloride compds. (DDT and dieldrin), an organophosphate compd. (malathion), a carbamate pesticide (propoxur) and two synthetic pyrethroids (deltamethrin and cyfluthrin) using WHO techniques. The adult populations from Mandya an irrigated agricultural area, and Mysore, a non-agricultural place in Karnataka, India, have been employed for the expts. JE outbreaks were reported from these places at different times. Among the insecticides used malathion in 5% concn. was found to be the most effective while, cyfluthrin (0.05%) and deltamethrin (0.025%) were very effective in much lesser concn. For both propoxur (0.1%) and DDT (4.0%) the two populations of Cx. fuscocephala expressed least susceptibility in terms of the LT50. Against dieldrin (0.4%), cyfluthrin, DDT and malathion Mysore population showed relatively more susceptibility than Mandya population. However for deltamethrin and propoxur the Mandya population registered less tolerance than the Mysore population. Thus adult population responses to different insecticides are variable in the present study. [on SciFinder(R)]

Item Type: Article
Additional Information: Unmapped bibliographic data: PY - 1994/// [EPrints field already has value set] JA - Southeast Asian J. Trop. Med. Public Health [Field not mapped to EPrints]
Uncontrolled Keywords: insecticide resistance Culex
Subjects: Agriculture Biological Sciences > Zoology
University of Mysore > PG Campuses > Manasagangotri, Mysore > Agriculture Biological Sciences > Zoology
Divisions: PG Campuses > Manasagangotri, Mysore > Zoology
Depositing User: Praveen Kumari B.L
Date Deposited: 24 May 2013 05:27
Last Modified: 23 Aug 2013 05:50

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