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Selectivity of CC Traps in Catching Green Leafhoppers and Thrips
Author(s): 
Pages: 65-68
Year: Issue:  1
Journal: GUANGXI SCIENCES

Keyword:  silverleaf whiteflyEmpoascaThripstraps;
Abstract: CC trap base colors of white, red, yellow, lime , green,dark green, blue and black, were evaluated for capturing leafhopper and Thrips species in a yardlong beans (Vigna sesquipedalis Wright) in Nanning, Guangxi,Peoples Republic of China. Blue-colored traps caught an average of 22.8 Chinese Thrips, Haplothrips chinensis Priesnes, pertrap perday, about twice as many were caught in CC traps with white trap base s. Numbers of Thrips caught in CC traps with other trap base colors ranged from 0.1 to 1.7 Thrips/trap*day. CC traps caught about four green leafhoppers (Empoasca spp.) per trap per day and there was no differences among trap colors. In Rajirdisnogar, Andhra Pradesh, India, CC traps with white, yellow or green colored trap bases were evaluated in a peanut field. Traps with white bases averaged 39.8 chillie Thrips (Scirtothrips dorsalis Hood) per trap per day. More than 2 times the numbers caught in traps with yellow bases. Traps with green colored bases caught the least numbers of Thrips. Traps with white colored bases also caught significantly more melon Thrips, Thrips palmi Karny, (17.3 Thrips/trap*day) compared to 11.0 in traps with yellow colored bases. We conclude that CC traps with blue or white colored bases may be used for monitoring Thrips populations in bean and peanut fields.
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