Evolution of Resistance and Change in Relative Density in a Culex tarsalis (Diptera: Culicidae) Population Under Heavy Insecticidal Control
- 1 July 1987
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Medical Entomology
- Vol. 24 (4) , 494-497
- https://doi.org/10.1093/jmedent/24.4.494
Abstract
A mixed population of Culex tarsalis Coquillett, Culex quinquefasciatus Say, Culex peus Speiser, and Culex erythrothorax Dyer breeding in a sewage-treatment lagoon was subjected with increasing frequency to treatments with organophosphate larvicides during 1981–84. C. tarsalis, rare in 1981 (9% of total), had become the most abundant species by 1984 (84% of total), displaying high levels of larval resistance to chlorpyrifos (64-fold), methyl parathion (57-fold), temephos (42-fold), fenthion (41-fold), and malathion (36-fold).Keywords
This publication has 2 references indexed in Scilit:
- Electrophoretic Esterase Patterns in Insecticide-Resistant and Susceptible Mosquitoes1Journal of Economic Entomology, 1978
- Biochemistry of Malathion Resistance in Culex tarsalisJournal of Economic Entomology, 1961