Population variation in and selection for resistance to pyrethroid-neonicotinoid insecticides in the bed bug

Jennifer R. Gordon; Mark H. Goodman; Michael F. Potter; Kenneth F. Haynes

doi:10.1038/srep03836

Population variation in and selection for resistance to pyrethroid-neonicotinoid insecticides in the bed bug

Jennifer R. Gordon, Mark H. Goodman, Michael F. Potter, Kenneth F. Haynes

Entomology

Research output: Contribution to journal › Article › peer-review

50 Scopus citations

Abstract

Pyrethroid resistance in bed bugs, Cimex lectularius, has prompted a change to combination products that include a pyrethroid and a neonicotinoid. Ten populations of bed bugs were challenged with two combination products (Temprid SC® and Transport GHP®). Susceptibility of these populations varied, with the correlated response of the two products indicating cross resistance. We imposed selection on three populations using label rate Temprid, and then reared progeny from unselected and selected strains. All selected strains were significantly less susceptible to Temprid SC than unselected strains. Temprid selected strains were also less susceptible to Transport. The pyrethroid component of Temprid showed a significantly higher LD₅₀ in selected strains, but susceptibility to the neonicotinoid remained unchanged. Taken together these results indicate resistance to combination insecticides is present in field populations at levels that should be of concern, and that short-term selection affecting existing variance in susceptibility can quickly increase resistance.

Original language	English
Article number	3836
Journal	Scientific Reports
Volume	4
DOIs	https://doi.org/10.1038/srep03836
State	Published - Jan 23 2014

Bibliographical note

Funding Information:
We thank Shelby Stamper, Reshma Anilkumar and Scott Bessin for technical assistance. Rollins, Inc., provided ongoing funding of the University of Kentucky’s bed bug research. J.R.G. was partly supported by an Urban Entomology Fellowship from the Department of Entomology, University of Kentucky. This is paper no. 13-08-102 of the Kentucky Agricultural Experiment Station.

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title = "Population variation in and selection for resistance to pyrethroid-neonicotinoid insecticides in the bed bug",

abstract = "Pyrethroid resistance in bed bugs, Cimex lectularius, has prompted a change to combination products that include a pyrethroid and a neonicotinoid. Ten populations of bed bugs were challenged with two combination products (Temprid SC{\textregistered} and Transport GHP{\textregistered}). Susceptibility of these populations varied, with the correlated response of the two products indicating cross resistance. We imposed selection on three populations using label rate Temprid, and then reared progeny from unselected and selected strains. All selected strains were significantly less susceptible to Temprid SC than unselected strains. Temprid selected strains were also less susceptible to Transport. The pyrethroid component of Temprid showed a significantly higher LD50 in selected strains, but susceptibility to the neonicotinoid remained unchanged. Taken together these results indicate resistance to combination insecticides is present in field populations at levels that should be of concern, and that short-term selection affecting existing variance in susceptibility can quickly increase resistance.",

author = "Gordon, {Jennifer R.} and Goodman, {Mark H.} and Potter, {Michael F.} and Haynes, {Kenneth F.}",

note = "Funding Information: We thank Shelby Stamper, Reshma Anilkumar and Scott Bessin for technical assistance. Rollins, Inc., provided ongoing funding of the University of Kentucky{\textquoteright}s bed bug research. J.R.G. was partly supported by an Urban Entomology Fellowship from the Department of Entomology, University of Kentucky. This is paper no. 13-08-102 of the Kentucky Agricultural Experiment Station.",

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AU - Haynes, Kenneth F.

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N2 - Pyrethroid resistance in bed bugs, Cimex lectularius, has prompted a change to combination products that include a pyrethroid and a neonicotinoid. Ten populations of bed bugs were challenged with two combination products (Temprid SC® and Transport GHP®). Susceptibility of these populations varied, with the correlated response of the two products indicating cross resistance. We imposed selection on three populations using label rate Temprid, and then reared progeny from unselected and selected strains. All selected strains were significantly less susceptible to Temprid SC than unselected strains. Temprid selected strains were also less susceptible to Transport. The pyrethroid component of Temprid showed a significantly higher LD50 in selected strains, but susceptibility to the neonicotinoid remained unchanged. Taken together these results indicate resistance to combination insecticides is present in field populations at levels that should be of concern, and that short-term selection affecting existing variance in susceptibility can quickly increase resistance.

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Population variation in and selection for resistance to pyrethroid-neonicotinoid insecticides in the bed bug

Abstract

Bibliographical note

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