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Efficacy of localized chemical treatments for Cryptotermes brevis (Isoptera: Kalotermitidae) in naturally infested lumber.

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Title:Efficacy of localized chemical treatments for Cryptotermes brevis (Isoptera: Kalotermitidae) in naturally infested lumber.
Authors:Woodrow, R Joseph
Grace, J Kenneth
Keywords:chlorpyrifos
Cryptotermes brevis
disodium octaborate tetrahydrate
drywood termites
hardwood
show 4 moreIsoptera
resmethrin
spinosad
termite control
show less
Date Issued:Dec 2007
Publisher:Hawaiian Entomological Society
Citation:Woodrow RJ, Grace JK. 2007. Efficacy of localized chemical treatments for Cryptotermes brevis (Isoptera: Kalotermitidae) in naturally infested lumber. Proc Hawaiian Entomol Soc 39:149-152.
Abstract:Localized injection of insecticides into termite galleries in infested wood
represents an alternative to whole-structure fumigation for drywood termite control.
The efficacy of this method is limited, however, by the use of repellant insecticides
and the difficulty of locating drywood termite colonies. The present study addressed
both issues by the use of an experimental acoustic emissions (AE) detector to assist in
location of termite infestations in naturally infested shipping pallets, and application of the non-repellant insecticide spinosad (Dow AgroSciences). Chlorpyrifos 0.5% aerosol, 15% aqueous disodium octaborate tetrahydrate (DOT), resmethrin 0.25% aerosol,
distilled water (control) and two treatments of 0.5% spinosad suspension concentrate
(one with the injection site based on visual evidence and the other on acoustic evidence)
were injected into boards in hardwood shipping pallets naturally infested with the
drywood termite Cryptotermes brevis Walker. Termite mortality was greatest with
spinosad treatments, although variability was high due to the continued difficulty of
identifying and treating all separate areas of infestation in the boards.
URI:http://hdl.handle.net/10125/1505
ISSN:0073-134X
Appears in Collections: Volume 39 - December 2007 : Hawaiian Entomological Society


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