Melon fly (Diptera: Tephritidae) genetic sexing: all-male sterile fly releases in Hawaii.

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2007-12
Authors
McInnis, D.
Leblanc, L.
Mau, R.
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Hawaiian Entomological Society
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Abstract
The first practical genetic sexing strain for the melon fly, Bactrocera cucurbitae, developed in Hawaii was mass-reared and released as sterile males into wild fly populations. Significant improvements in the field quality of sterile males were made with the pupal color strain in which males can be separated from females on the basis of pupal coloration using photoelectric sorting machines. Earlier, quality control tests indicated that the strain mass-rears adequately, and is very competitive with wild flies based on field cage studies of mating ability and survival. Open field studies were conducted between 2002 and 2004 on three Hawaiian islands in increasingly larger test areas, and with increasing numbers of sterile males released (up to 1,500,000/wk). Results indicated that the sexing strain significantly impacted the wild population, causing high, induced sterility up to ca. 75% in both residential and commercial vegetable growing areas of Hawaii. The field tests have shown that the sexing strain is worthy of mass production and release in large-scale melon fly SIT programs.
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Bactrocera cucurbitae, egg fertility, field experimentation, Hawaii, males, mating competitiveness, sexing, sterile insect technique
Citation
Mcinnis D, Leblanc L, Mau R. 2007. Melon fly (Diptera: Tephritidae) genetic sexing: all-male sterile fly releases in Hawaii. Proc Hawaiian Entomol Soc 39:105-110.
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