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« Previous Abstract"North American Lauraceae: terpenoid emissions, relative attraction and boring preferences of redbay ambrosia beetle, Xyleborus glabratus (coleoptera: curculionidae: scolytinae)"    Next Abstract"alpha-Copaene is an attractant, synergistic with quercivorol, for improved detection of Euwallacea nr. fornicatus (Coleoptera: Curculionidae: Scolytinae)" »

J Econ Entomol


Title:"Efficacy of alpha-Copaene, Cubeb, and Eucalyptol Lures for Detection of Redbay Ambrosia Beetle (Coleoptera: Curculionidae: Scolytinae)"
Author(s):Kendra PE; Montgomery WS; Schnell EQ; Deyrup MA; Epsky ND;
Address:"USDA-ARS, Subtropical Horticulture Research Station, 13601 Old Cutler Rd., Miami, FL 33158 (paul.kendra@ars.usda.gov; wayne.montgomery@ars.usda.gov; elena.schnell@ars.usda.gov; Nancy.Epsky@ars.usda.gov) paul.kendra@ars.usda.gov. USDA-ARS, Subtropical Horticulture Research Station, 13601 Old Cutler Rd., Miami, FL 33158 (paul.kendra@ars.usda.gov; wayne.montgomery@ars.usda.gov; elena.schnell@ars.usda.gov; Nancy.Epsky@ars.usda.gov). Archbold Biological Station, P.O. Box 2057, Lake Placid, FL 33862 (mdeyrup@archbold-station.org)"
Journal Title:J Econ Entomol
Year:2016
Volume:20161023
Issue:6
Page Number:2428 - 2435
DOI: 10.1093/jee/tow214
ISSN/ISBN:1938-291X (Electronic) 0022-0493 (Linking)
Abstract:"Redbay ambrosia beetle, Xyleborus glabratus Eichhoff, is a wood-boring pest that has now invaded nine states in the southeastern United States. The beetle's dominant fungal symbiont (Raffaelea lauricola) is phytopathogenic, inducing laurel wilt in trees within the family Lauraceae. Members of the genus Persea are particularly susceptible to the lethal disease, including native redbay (P. borbonia) and swampbay (P. palustris), as well as commercial avocado (P. americana). Cubeb oil lures are the current standard for detection of X. glabratus, but recently eucalyptol and a 50% alpha-copaene oil have been identified as additional attractants. This study used a combination of binary-choice bioassays, field cage release-and-recapture assays, and a 12-wk field trial to compare efficacy of eucalyptol and copaene lures relative to commercial cubeb lures. In addition, GC-MS was used to quantify emissions from lures field-aged for 12 wk. In laboratory bioassays, copaene lures were more attractive than eucalyptol lures. In field cage assays, copaene lures recaptured a higher percentage of released beetles than cubeb lures. In the field test, cubeb lures captured fewer beetles than copaene lures, and lowest captures were obtained with eucalyptol lures. Combining eucalyptol with either copaene or cubeb lures did not increase captures over those lures deployed alone. Both copaene and cubeb lures were effective in attracting X. glabratus for 12 wk, but field life of eucalyptol lures was only 4 wk, consistent with the quantification of lure emissions. Results suggest that the 50% alpha-copaene lure provides the best pest detection currently available for X. glabratus"
Keywords:"Animals Cyclohexanols/*pharmacology Eucalyptol Female Gas Chromatography-Mass Spectrometry Insect Control Monoterpenes/*pharmacology Oils, Volatile/pharmacology Persea/growth & development Piper/chemistry Plant Oils/*pharmacology Sesquiterpenes/*pharmacol;"
Notes:"MedlineKendra, Paul E Montgomery, Wayne S Schnell, Elena Q Deyrup, Mark A Epsky, Nancy D eng England 2016/12/18 J Econ Entomol. 2016 Dec; 109(6):2428-2435. doi: 10.1093/jee/tow214. Epub 2016 Oct 23"

 
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