Neotropical Entomology (2019) 48, 949-956

J. Gonzalez-Cabrera, G. Moreno-Carrillo, J.A. Sanchez-Gonzalez, M.Y. Mendoza-Ceballos and H.C. Arredondo-Bernal (2019)
Single and combined release of Trichopria drosophilae (Hymenoptera: Diapriidae) to control Drosophila suzukii (Diptera: Drosophilidae)
Neotropical Entomology 48 (6), 949-956
Abstract: To further the use of local parasitoids to control the spotted wing drosophila suzukii (Matsumura) in Mexico, three treatments were implemented by sextuplicate in commercial berry fields of Colima and Jalisco from June 2017 to May 2018: single release of Trichopria drosophilae Perkins (pupal parasitoid), combined release of T. drosophilae + Leptopilina boulardi Barbotin, Carton and Kelner-Pillault (larval parasitoid), and a no release control. Compared with the no release sites, parasitism by T. drosophilae increased 4 and 4.1-fold at the single and combined release sites, respectively, and parasitism of L. boulardi increased 2.8-fold at the sites where it was evaluated. Additionally, it was registered a 50 and 55% reduction of D. suzukii at the sites with single and combined releases, respectively; in other words, supplementing T. drosophilae with L. boulardi provided little benefit compared with the release of T. drosophilae alone. These results indicate that single release of local T. drosophilae is a more cost-effective option to reduce D. suzukii populations, and that such activity can contribute significantly to the phytosanitary management of this invasive pest.
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Link to article at publishers website

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
application technology
inundative/inoculative release

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Drosophila suzukii		Mexico
Leptopilina boulardi (parasitoid)	Drosophila suzukii		Mexico
Trichopria drosophilae (parasitoid)	Drosophila suzukii		Mexico