Issue:ISSN 2095-1353
CN 11-6020/Q
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2012年49 No.4
Evaluation of the effectiveness of the FWS-DBL-1 solar insectkiller and its safety with respect to predatory insectsin the Turpan grape growing region
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Key Words：solar insect killer，grape，insect，trapping effect，natural enemy，safety evalutaion
Abstract：The effectiveness of the FWS-DBL-1 solar insect killer at killing pest insects and its safety with regard to their
natural enemies was investigated in the Turpan grape growing region． The results indicate that the species of insects trapped at 5 different light wavelengths (320 － 580，360，400，460 and 520 nm) were very similar． The main insects caught were from the orders Coleoptera，Lepidoptera，Hemiptera，Neuroptera，Diptera，Orthoptera and Hymenoptera，the main species being Aphodius sp． ，Polyphylla alba vicaria Semenov，Adoretus nigriforns Steven，Adoretus hirsutus Ohaus，Leucanitis picta Christoph and Catocala puerpera Giorna． The number of insects trapped did，however，differ between the5 wavelengths tested; most insects were caught at 400 nm，a lesser number at 320 － 580 nm and the least at 360 nm． Most
Coleoptera were caught at 400 nm but most Lepidoptera and Diptera were caught at 360 nm and most Hemiptera at 520nm． With regard to catching the natural enemies of insect pests，ratios of natural enemies to pests ranged from 1∶ 4 － 1∶ 5．Chrysopidae and Carabidae were the main natural enemies caught comprising 85． 82% of the total． The least quantity ofnatural enemies was trapped at 360 nm．