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dc.contributor.authorAntwi, Frank B.
dc.contributor.authorPetterson, Robert K. D.
dc.identifier.citationAntwi, Frank B., and Robert K. D. Peterson. 2009. Toxicity of δ- phenothrin and resmethrin to non-target insects. Pest Management Science 65 (3): 300-305.en_US
dc.description.abstractBACKGROUND: The susceptibility of adult house cricket, Acheta domesticus (L.), adult convergent lady beetle, Hippodamia convergens (Guérin-Méneville), and larval fall armyworm, Spodoptera frugiperda (JE Smith), to resmethrin and δ-phenothrin synergized with piperonyl butoxide (PBO) was evaluated in a laboratory bioassay procedure. RESULTS: The 1 day LC50 values for resmethrin + PBO were 23.2, 32.08 and 307.18 ng cm−2 for A. domesticus, H. convergens and S. frugiperda respectively. The 1 day LC50 values for δ-phenothrin + PBO were 26.9, 74.91 and 228.57 ng cm−2 for A. domesticus, H. convergens and S. frugiperdarespectively. The regression relationship between species mortality and concentration explained 51–81% of the variation for resmethrin + PBO and 72–97% of the variation for δ-phenothrin + PBO. The LC50 values decreased with time for these insecticides for all surrogate species. In terms of sensitivities among the insects to resmethrin + PBO and δ-phenothrin + PBO, A. domesticus was most sensitive, followed by H. convergens and then S. frugiperda. CONCLUSION: The results indicate that resmethrin + PBO was generally more toxic than δ-phenothrin + PBO. Based on the results, A. domesticus seems to be a good surrogate species for estimating potential non-target terrestrial insect impacts from exposure to pyrethroids used in public health applications.en_US
dc.rightsThis is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archivingen_US
dc.titleToxicity of δ- phenothrin and resmethrin to non-target insectsen_US
mus.citation.journaltitlePest Management Scienceen_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.departmentLand Resources & Environmental Sciences.en_US
mus.relation.departmentResearch Centers.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.relation.researchgroupWestern Triangle Ag Research Center.en_US

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