Release of Sterile Mediterranean Fruit Flies, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), Using an Automated Ground Release Vehicle |
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Authors: | Mark Salvato Glenn Hart Tim Holler Timothy Roland |
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Institution: |
a US Department of Agriculture Medfly Project Sarasota, FL.
b Florida Department of Agriculture and Consumer Services Medfly Project Sarasota, FL.
c US Department of Agriculture CPHST Gainesville, FL.
d US Department of Agriculture AEO Mission, TX. |
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Abstract: | A trial was conducted in Tampa, Florida to test an automated ground release machine as an alternative to aerial methods for release of sterile Mediterranean fruit flies, Ceratitis capitata (Wiedemann). Twenty-four Jackson traps baited with trimedlure at three release sites yielded lower than expected numbers of ground released Medflies. Recaptures per trap ranged from 2.8 (±0.7 S.E.) to 6.8 (±1.7 S.E.). Average recovery of sterile flies at each site for all releases combined (144 observations) was similar, 3.4 (±0.5 S.E.), 4.4 (±0.5 S.E.), 4.5 (±0.5 S.E.) for sites 1, 2 and 3 respectively. There was a significant reduction in flight ability from 67.5 (±2.1 S.E.) to 53.6 (±2.9 S.E.)%, from the time of pre-chilling to when immobilized flies were released after 2.5 h in the release container. Further tests are needed to determine what mortality factors may influence recovery and how the automated ground release machine compares to the aerial release method. |
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Keywords: | Sterile Insect Technique Area-wide Control Sterile Release Ceratitis Capitata |
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