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Contact toxicity of 17 insecticides applied topically to adult bark beetlesAuthor(s): Robert L. Lyon
Source: Res. Note PSW-RN-249. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
Publication Series: Research Note (RN)
Station: Pacific Southwest Research Station
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DescriptionThirteen insecticides were tested against Ips paraconfusus Lanier, and six against the western pine beetle (Dendroctonus brevicomis Lec.). The ranking of toxicity at LD90 by topical application to I. paraconfusus was: SD 3450 > endosulfan > malathion > lindane > phorate > carbayl > carbophenothion = Imidan > crotoxyphos > dimethoate > DDT > Dilan > trichlorfon. The ranking of toxicity to D. brevicomis was: Zectran = dichlorvos > Dursban > malathion > pyrethins = Endane. Five compounds-Zectran, Dursban, malathion, dichlomos, pyrethrins-show promise for study as possible alternatives to lindane, which is now commonly used for bark beetle suppression.
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CitationLyon, Robert L. 1971. Contact toxicity of 17 insecticides applied topically to adult bark beetles. Res. Note PSW-RN-249. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
KeywordsIps paraconfusus, Dendroctonus brevicomis, toxicity tests, Zectran, Dursban, malthion, dichlorvos, pyrethrins, lindane
- Log bioassay of residual effectiveness of insecticides against bark beetles
- Native bark beetles and wood borers in Mediterranean forests of California
- Field test of lindane against overwintering broods of the western pine beetle
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