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J Econ Entomol


Title:Response of female Ceratitis capitata (Diptera: Tephritidae) to a spinosad bait and polymer matrix mixture with extended residual effect in Hawaii
Author(s):Pinero JC; Souder SK; Gomez LE; Mau RF; Vargas RI;
Address:"College of Tropical Agricultural Human Resources, University of Hawaii at Manoa, 3050 Maile Way, Honolulu, HI 96822, USA. pineroj@lincolnu.edu"
Journal Title:J Econ Entomol
Year:2011
Volume:104
Issue:6
Page Number:1856 - 1863
DOI: 10.1603/ec11056
ISSN/ISBN:0022-0493 (Print) 0022-0493 (Linking)
Abstract:"The effectiveness of foliar applications of protein baits against pestiferous fruit flies (Tephritidae) can be adversely affected by a rapid loss of attractive volatile compounds and by rainfall due to the high water solubility of the baits. In a large coffee, Coffea arabica L., plantation in Hawaii with high and low populations of Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), the relative attractiveness of GF-120 NF Naturalyte Fruit Fly Bait as either a 40% (vol:vol) spray solution (= GF-120 NF) or as a formulated proprietary amorphous polymer matrix (= GF-120 APM) was compared. The GF-120 APM formulations contained either, 25, 50, or 75% of GF-120 NF (wt:wt). All baits were tested in association with visually attractive yellow bait stations as a way of standardizing the evaluations. With both high and low C. capitata populations, significantly more females were attracted to the fresh sprayed GF-120 NF than to any of the three fresh GF-120 APM formulations. The attractiveness of GF-120 sprayed decreased significantly after 1 wk, whereas 1-wk-old GF-120 APM formulations were as attractive as similar fresh formulations. GF-120 APM 75% aged for 3 wk outperformed similarly-aged sprayed GF-120 NF with comparatively high C. capitata populations. With low populations, both GF-120 APM 75% and GF-120 APM 50% aged for 2 wk outperformed the similarly aged sprayed GF-120 NF. Combined findings indicate that APM mixed with either 50 or 75% GF-120 applied to bait stations can be attractive to female C. capitata for up to 3 wk longer than the standard sprayed GF-120 NF"
Keywords:Analysis of Variance Animals Ceratitis capitata/*drug effects Coffee Drug Combinations Environment Female Hawaii Insect Control/*methods Insecticides/administration & dosage/*pharmacology Macrolides/administration & dosage/*pharmacology Male Pheromones/ad;
Notes:"MedlinePinero, Jaime C Souder, Steven K Gomez, Luis E Mau, Ronald F L Vargas, Roger I eng Evaluation Study England 2012/02/04 J Econ Entomol. 2011 Dec; 104(6):1856-63. doi: 10.1603/ec11056"

 
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