Cornel_2002_Pest.Manag.Sci_58_791

Reference

Title : High level methoprene resistance in the mosquito Ochlerotatus nigromaculis (Ludlow) in central California - Cornel_2002_Pest.Manag.Sci_58_791
Author(s) : Cornel AJ , Stanich MA , McAbee RD , Mulligan FS, 3rd
Ref : Pest Manag Sci , 58 :791 , 2002
Abstract :

In the summer of 1998, failures of methoprene field applications to control the mosquito Ochlerotatus nigromaculis (Ludlow) were noticed in several pastures in the outskirts of Fresno, California, USA. Effective control with methoprene had been achieved for over 20 years prior to this discovery. Susceptibility tests indicated that the Fresno Oc nigromaculis populations had developed several thousand-fold higher LC50 and LC90 tolerance levels to methoprene compared with methoprene-nave populations. The synergists piperonyl butoxide (PBO), S,S,S-tributyl phosphorotrithioate and 3-octylthio-1,1,1-trifluoro-2-propanone had little synergistic effect, suggesting that the mechanism of methoprene tolerance was not mediated by P450 monooxygenase or carboxylesterase enzyme degradation. As part of initiating a resistance management strategy, partial reversion back to methoprene susceptibility was achieved in a resistant population after six consecutive applications of Bacillus thuringiensis israelensis Goldberg & Marga coupled with two oil and two pyrethrum + PBO applications.

PubMedSearch : Cornel_2002_Pest.Manag.Sci_58_791
PubMedID: 12192903

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Citations formats

Cornel AJ, Stanich MA, McAbee RD, Mulligan FS, 3rd (2002)
High level methoprene resistance in the mosquito Ochlerotatus nigromaculis (Ludlow) in central California
Pest Manag Sci 58 :791

Cornel AJ, Stanich MA, McAbee RD, Mulligan FS, 3rd (2002)
Pest Manag Sci 58 :791