| Title: | Optimizing Trap Design and Trapping Protocols for Drosophila suzukii (Diptera: Drosophilidae) |
| Author(s): | Renkema JM; Buitenhuis R; Hallett RH; |
| Address: | "School of Environmental Sciences, University of Guelph, 50 Stone Rd. E., Guelph, Ontario, Canada N1G 2W1. renkemaj@uoguelph.ca. Vineland Research and Innovation Centre, 4890 Victoria Ave. N., Box 4000, Vineland Station, Ontario, Canada L0R 2E0. School of Environmental Sciences, University of Guelph, 50 Stone Rd. E., Guelph, Ontario, Canada N1G 2W1" |
| ISSN/ISBN: | 0022-0493 (Print) 0022-0493 (Linking) |
| Abstract: | "Drosophila suzukii Matsumura (Diptera: Drosophilidae) is a recent invasive pest of fruit crops in North America and Europe. Carpophagous larvae render fruit unmarketable and may promote secondary rot-causing organisms. To monitor spread and develop programs to time application of controls, further work is needed to optimize trap design and trapping protocols for adult D. suzukii. We compared commercial traps and developed a new, easy-to-use plastic jar trap that performed well compared with other designs. For some trap types, increasing the entry area led to increased D. suzukii captures and improved selectivity for D. suzukii when populations were low. However, progressive entry area enlargement had diminishing returns, particularly for commercial traps. Unlike previous studies, we found putting holes in trap lids under a close-fitting cover improved captures compared with holes on sides of traps. Also, red and black traps outperformed yellow and clear traps when traps of all colors were positioned 10-15 cm apart above crop foliage. In smaller traps, attractant surface area and entry area, but not other trap features (e.g., headspace volume), appeared to affect D. suzukii captures. In the new, plastic jar trap, tripling attractant volume (360 vs 120 ml) and weekly attractant replacement resulted in the highest D. suzukii captures, but in the larger commercial trap these measures only increased by-catch of large-bodied Diptera. Overall, the plastic jar trap with large entry area is affordable, durable, and can hold high attractant volumes to maximize D. suzukii capture and selectivity" |
| Keywords: | Animals Color *Drosophila Female Insect Control/*instrumentation Male Pheromones attractant spotted wing drosophila trap design; |
| Notes: | "MedlineRenkema, Justin M Buitenhuis, Rosemarije Hallett, Rebecca H eng Comparative Study Evaluation Study England 2015/10/16 J Econ Entomol. 2014 Dec; 107(6):2107-18. doi: 10.1603/EC14254" |
