During 1996, 1997, and 1999, studies were conducted in cotton, sugar beets, alfalfa, yardlong bean, and peanut fields to compare insect catches in CC traps equipped with different trap base colors. The studies were conducted in southwestern United States, China, and India. The nine colors, white, rum, red, yellow, lime green, spring green, woodland green (dark green), true blue, and black, varied in spectral reflectance in the visible (400–700 nm) and near-infrared (700–1050 nm) portions of spectrum. Lime green, yellow, and spring green were the three most attractive trap base colors for silverleaf whitefly, Bemisia argentifolii Bellows & Perring, and leafhopper, Empoasca spp. adults. The three trap base colors were moderately high in the green, yellow, and orange spectral regions (490–600 nm), resembling the spectral reflectance curve of the abaxial (underleaf) surfaces of green cotton leaves. True blue and white were the most attractive trap base colors for western flower thrips, Frankliniella occidentalis (Pergande), adults. The true blue and white trap bases were moderately high in the blue spectral region (400–480 nm).
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1 August 2000
Use of CC Traps with Different Trap Base Colors for Silverleaf Whiteflies (Homoptera: Aleyrodidae), Thrips (Thysanoptera: Thripidae), and Leafhoppers (Homoptera: Cicadellidae)
Chang-Chi Chu,
Paul J. Pinter,
Thomas J. Henneberry,
Kai Umeda,
Eric T. Natwick,
Yuan-An Wei,
V. R. Reddy,
Mohan Shrepatis
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Journal of Economic Entomology
Vol. 93 • No. 4
August 2000
Vol. 93 • No. 4
August 2000
Bemisia argentifolii
CC traps
Empoasca spp.
Frankliniella occidentalis
trap base reflectance
