Insects (2021) 12 (1 - 66)
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Liquid baits with Oenococcus oeni increase captures of Drosophila suzukii
Insects 12 (1 - 66)
Abstract: The spotted-wing drosophila (SWD), Drosophila suzukii Matsumura (Diptera: Drosophilidae), native to Eastern Asia, is an invasive alien species in Europe and the Americas, where it is a severe pest of horticultural crops, including soft fruits and wine grapes. The conventional approach to controlling infestations of SWD involves the use of insecticides, but the frequency of application for population management is undesirable. Consequently, alternative strategies are urgently needed. Effective and improved trapping is important as an early risk detection tool. This study aimed to improve Droskidrink® (DD), a commercially available attractant for SWD. We focused on the chemical and behavioral effects of adding the bacterium Oenococcus oeni (Garvie) to DD and used a new trap design to enhance the effects of attractive lures. We demonstrate that microbial volatile compounds produced by O. oeni are responsible for the increase in the attractiveness of the bait and could be later utilized for the development of a better trapping system. Our results showed that the attractiveness of DD was increased up to two-fold by the addition of commercially available O. oeni when combined with an innovative trap design. The new trap-bait combination increased the number of male and especially female catches at low population densities.
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Full text of article
Database assignments for author(s): Valerio Mazzoni, Daniel T. Dalton, Vaughn Martin Walton, David Maxwell Suckling, Antonio De Cristofaro
Research topic(s) for pests/diseases/weeds:
pheromones/attractants/traps
Pest and/or beneficial records:
| Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant. |
|---|---|---|---|---|
| Drosophila suzukii | Blueberry/cranberry (Vaccinium) | U.S.A. (NW) |
