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J Econ Entomol


Title:Efficacy of Bistrifluron Termite Bait on Coptotermes lacteus (Isoptera: Rhinotermitidae) in Southern Australia
Author(s):Webb GA;
Address:"Sumitomo Chemical Australia, PO Box 60, Epping, NSW 1710, Australia"
Journal Title:J Econ Entomol
Year:2017
Volume:110
Issue:4
Page Number:1705 - 1712
DOI: 10.1093/jee/tox133
ISSN/ISBN:1938-291X (Electronic) 0022-0493 (Linking)
Abstract:"Bistrifluron, a benzoylphenyl urea compound, was evaluated for efficacy against Coptotermes lacteus (Froggatt), a mound-building species in southern Australia. Bistrifluron bait (tradename Xterm) was delivered as containerized pellets inserted into plastic in-ground feeding stations implanted in the sides of mounds. Termites actively tunneled in the gaps between pellets and removed bait from the canisters. Two separate trials were conducted, one commencing on 22 September 2011 and the second commencing on 30 November 2011. In trial 1, all 13 treated colonies (seven single and six double treatments) were eliminated within 19 wk, while all five untreated colonies remained healthy. In trial 2, all four treated colonies were eliminated within 14 wk. In trial 1, bait consumed or removed in treated mounds averaged 105 g for single treatments and 147 g for dual treatments, and overall ranged from 7 to 309 g (70-3,090 mg bistrifluron). In trial 2, the four treated colonies removed an average of 85 g of bait. At the time mounds were dismantled, all showed signs of inattention: external cracking, delamination, and general external weathering. Mound repair and temperature profile data indicate that colony decline commenced much earlier than 19 wk and 14 wk, respectively, for trials 1 and 2, from as early as 4 wk onward. The ability of colonies to repair mound damage was impaired as early as 4 wk in some colonies, and mean internal mound temperatures in treated mounds began declining from 8 wk onward and clearly diverged from mean temperatures of untreated mounds thereafter"
Keywords:"Animals *Hydrocarbons, Halogenated/metabolism *Insect Control *Insecticides *Isoptera New South Wales *Phenylurea Compounds/metabolism *Pheromones/physiology Population Dynamics Coptotermes Xterm bistrifluron chitin synthesis inhibitor termite baiting;"
Notes:"MedlineWebb, Garry A eng England 2017/05/17 J Econ Entomol. 2017 Aug 1; 110(4):1705-1712. doi: 10.1093/jee/tox133"

 
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