Journal of Pest Science (2016) 89, 823-835

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Kent M. Daane, XinGeng Wang, Antonio Biondi, Betsey Miller, Jeffrey C. Miller, Helmut Riedl, Peter W. Shearer, Emilio Guerrieri, Massimo Giorgini, Matthew Buffington, Kees van Achterberg, Yoohan Song, Taegun Kang, Hoonbok Yi, Chuleui Jung, Dong Woon Lee, BuKeun Chung, Kim A. Hoelmer and Vaughn M. Walton (2016)
First exploration of parasitoids of Drosophila suzukii in South Korea as potential classical biological agents
Journal of Pest Science 89 (3), 823-835
Abstract: The invasive spotted wing drosophila, Drosophila suzukii Matsumura (Dipt.: Drosophilidae), a native of East Asia, has widely established in North America and Europe, where it is a serious pest of small and stone fruit crops. The lack of effective indigenous parasitoids of D. suzukii in the recently colonized regions prompted the first foreign exploration for co-evolved parasitoids in South Korea during 2013 and 2014. We collected the larval parasitoids Asobara japonica Belokobylskij, A. leveri (Nixon) and A. brevicauda Guerrieri and van Achterberg (Hym.: Braconidae), Ganaspis brasiliensis (Ihering), Leptopilina japonica japonica Novkovic and Kimura and L. j. formosana Novkovic and Kimura (Hym.: Figitidae); and the pupal parasitoids Pachycrepoideus vindemiae (Rondani) (Hym.: Pteromalidae) and Trichopria drosophilae Perkins (Hym.: Diapriidae). From UC Berkeley quarantine records, percentage parasitism ranged from 0 to 17.1 % and varied by geography, season, and collection methods. Asobara japonica was the most common parasitoid species. Higher numbers of parasitoids were reared from field-picked fruit as opposed to traps baited with uninfested fruit. Quarantine bioassays confirmed that A. japonica, G. brasiliensis, L. j. japonica, P. vindemiae, and T. drosophilae developed from D. suzukii. Female individuals of the endoparasitoid, A. japonica, were larger when reared on the larger D. suzukii larvae compared with those reared on the smaller larvae of D. melanogaster Meigen. Larger parasitoid size was associated with longer developmental time. Several of the South Korean parasitoid species have the potential for use in classical biological control and may contribute to the suppression of D. suzukii in the newly invaded regions.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Kent M. Daane, Xin-Geng Wang, Antonio Biondi, Kim A. Hoelmer, Emilio Guerrieri, Vaughn Martin Walton, Chuleui Jung, Massimo Giorgini, Matthew L. Buffington, Peter W. Shearer

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Drosophila suzukii Korea-South
Pachycrepoideus vindemmiae (parasitoid) Drosophila suzukii Korea-South
Trichopria drosophilae (parasitoid) Drosophila suzukii Korea-South
Asobara japonica (parasitoid) Drosophila suzukii Korea-South
Asobara leveri (parasitoid) Drosophila suzukii Korea-South
Ganaspis brasiliensis (parasitoid) Drosophila suzukii Korea-South
Leptopilina japonica (parasitoid) Drosophila suzukii Korea-South