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PLoS One

Title:		To Catch a Fly: Landing and Capture of Ceratitis capitata in a Jackson Trap with and without an Insecticide
Author(s):		Manoukis NC;
Address:		"US Department of Agriculture-Agricultural Research Service, Daniel K. Inouye US Pacific Basin Agricultural Research Center, Hilo, Hawaii, United States of America"
Journal Title:		PLoS One
Year:		2016
Volume:		20160226
Issue:		2
Page Number:		e0149869 -
DOI:		10.1371/journal.pone.0149869
ISSN/ISBN:		1932-6203 (Electronic) 1932-6203 (Linking)
Abstract:		"Attractant-based traps are a cornerstone of detection, delimitation and eradication programs for pests such as tephritid fruit flies. The ideal trap and lure combination has high attraction (it brings insects to the trap from a distance) and high capture efficiency (it has a high probability of capturing the insect once it arrives at the trap). We examined the effect of an insecticide (DDVP) in combination with a pheromone lure (trimedlure) on capture of Ceratitis capitata using 1) digital images of surfaces of a Jackson trap analyzed via computer vision, and 2) counts of the number of flies caught in the trap and in the area under the trap. Our results indicate no significant difference in trap capture without or with insecticide (means +/- SD = 324 +/-135 and 356 +/-108, respectively). However, significantly more dead flies were found around the trap with insecticide (92 +/-53 with insecticide compared with 35 +/-22 without), suggesting a possible decrease in trap efficiency due to mortality before insects enter the trap. Indeed, the average number of flies detected on all surfaces of the traps with insecticide was lower than that for lure-only (4.15+/-0.39 vs 8.30+/-1.18), and both were higher than control (no lure: 0.76 +/-0.08). We found that the majority of fly sightings, 71% of the total, occurred on the inside panels of the lure-only traps, suggesting that increased efficiency of the Jackson trap may be obtained by adding a contact insecticide to those surfaces"
Keywords:		Animals Ceratitis capitata/*drug effects Cyclohexanecarboxylic Acids/*pharmacology Dichlorvos/*pharmacology Female Insect Control/instrumentation/*methods Insecticides/pharmacology Male Pheromones/*pharmacology;
Notes:		"MedlineManoukis, Nicholas C eng Research Support, U.S. Gov't, Non-P.H.S. 2016/02/27 PLoS One. 2016 Feb 26; 11(2):e0149869. doi: 10.1371/journal.pone.0149869. eCollection 2016"