Abstract
Abstract Trolling, a novel trapping method, was developed and tested for deer flies, Chrysops spp., and other Tabanidae. The trap is a plastic plant container coated with Tanglefoot that is mounted upside down on a rod in an apparatus attached to a vehicle. The vehicle is then driven “trolled” to attract Tabanidae. Trap movement, color, shape, dimension and size were evaluated to improve trap catch. Response by Chrysops vittatus Wiedemann/C. pikei Whitney and C. macquarti Philip to the trap’s parameters are reported. The most effective trap is a 15 cm diameter pot (Lerio C-360, B-6, The Lerio Corp. Mobile, AL) painted bright blue, placed 1-2 m above the ground and moved at a speed of less than 3.13 m/sec. Response of Chrysops spp. to the trap indicated the hierarchy of behavioral stimuli to Chrysops spp. in order of importance to be height, movement, speed, dimensions, color, size, and contrast. No known tabanid attractants tested including CO2, acetone or octenol increased trap captures and the insect re...
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