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1 June 2015 Field Estimates of Attraction of Ceratitis capitata to Trimedlure and Bactrocera dorsalis (Diptera: Tephritidae) to Methyl Eugenol in Varying Environments
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Abstract

Measuring and modeling the attractiveness of semiochemical-baited traps is of significant importance to detection, delimitation, and control of invasive pests. Here, we describe the results of field mark—release—recapture experiments with Ceratitis capitata (Wiedemann) and Bactrocera dorsalis (Hendel) to estimate the relationship between distance from a trap baited with trimedlure and methyl eugenol, respectively, and probability of capture for a receptive male insect. Experiments were conducted using a grid of traps with a central release point at two sites on Hawaii Island, a Macadamia orchard on the East side of the island and a lava field on theWest side.We found that for B. dorsalis and methyl eugenol there is a 65% probability of capture at ∼36m from a single trap, regardless of habitat. For C. capitata, we found a 65% probability of capture at a distance of ∼14m from a single trap in the orchard and 7 m in the lava field. We also present results on the spatial and temporal pattern of recaptures. The attraction data are analyzed via a hyperbolic secant-based capture probability model.

Published by Oxford University Press on behalf of Entomological Society of America 2015. This work is written by US Government employees and is in the public domain in the US.
Nicholas C. Manoukis, Matthew Siderhurst, and Eric B. Jang "Field Estimates of Attraction of Ceratitis capitata to Trimedlure and Bactrocera dorsalis (Diptera: Tephritidae) to Methyl Eugenol in Varying Environments," Environmental Entomology 44(3), 695-703, (1 June 2015). https://doi.org/10.1093/ee/nvv020
Received: 29 October 2014; Accepted: 30 January 2015; Published: 1 June 2015
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