Tunnel entries and a killing agent uncover the importance of fly retention in Drosophila suzukii traps

Pest Management Science
Vincent Van KerckvoordeTim Belien

Abstract

Spotted wing drosophila (SWD), Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), is a pest of stone and small fruits causing considerable economic losses. Current management strategies rely primarily on calendar-based spraying, owing to the poor relationship between monitoring data and damage levels, and the lack of success of mass-trapping tools. The aim of this study was to evaluate different trap models for SWD, with an emphasis on their fly-retention capacity. To this end, we examined and quantified the added value of two fly-retaining trap features; tunnel entries to impede escape and an insecticide-coated inner surface as a killing agent. An insecticide-coated inner surface resulted in significantly higher trap retention after 24 h in the laboratory (4.9- to 7.4-fold greater, depending on trap type) compared to a noncoated trap. Trapping efficacy was significantly improved in field trials by such a killing agent in the trap (1.2- to 4.5-fold greater). Tunnel entries significantly improved trap retention in the laboratory and field (by 1.5-fold). The outcomes of this study clearly reveal the substantial impact of the fly-retention capacity of SWD traps on their overall capture performances. It was demonstrated for t...Continue Reading

References

Oct 13, 2011·Pest Management Science·Jana C LeePeter Baufeld
Aug 30, 2012·Journal of Economic Entomology·Jana C LeeDenny J Bruck
Nov 21, 2013·Environmental Entomology·Jana C LeeDenny J Bruck
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Sep 7, 2016·Journal of Bioscience and Bioengineering·Naoki AkasakaShinsuke Fujiwara
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Mar 23, 2017·PloS One·Luana A Dos SantosFlávio R M Garcia
Aug 18, 2017·Pest Management Science·Steven Van TimmerenRufus Isaacs

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