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Response of Trichogramma egg parasitoids to colored sticky traps

OAR@ICRISAT

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Relation http://oar.icrisat.org/1729/
http://dx.doi.org/10.1023/A:1009905722193
 
Title Response of Trichogramma egg parasitoids to colored sticky traps
 
Creator Romeis, J
Shanower, T G
Zebitz, C P W
 
Subject Agriculture-Farming, Production, Technology, Economics
 
Description The response of Trichogramma spp. egg parasitoids to colored sticky traps was evaluated in the field during two seasons (1995-96, 1996-97). Traps consisted of a glass tube coated with Bird-Tanglefoot® into which colored paper was inserted or clear traps without paper. Colors tested were white, green, blue, yellow and red in the first season and white, green, yellow and black in the second season. The proportion of both female and male parasitoids caught on the sticky traps was significantly different among colors, indicating that the parasitoids actively move between plants and are not solely carried along passively by wind. White was the color most preferred by female parasitoids, followed by clear and green traps. Yellow was preferred over black but was less attractive than green. Visual cues may be used by Trichogramma spp. during the habitat location process. The color preference of male Trichogramma spp. differed significantly from females with yellow and green being more attractive than white. For all colors, more female Trichogramma spp. were caught on the sticky traps (>85% of all wasps caught), indicating a lower activity level and/or shorter lifespan for males. The use of white cylindrical sticky traps for monitoring Trichogramma spp. populations in the field is recommended.
 
Date 1998
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/1729/1/JA-2069.pdf
Romeis, J and Shanower, T G and Zebitz, C P W (1998) Response of Trichogramma egg parasitoids to colored sticky traps. BioControl, 43 (1). pp. 17-27.