Entomology Collections, Miscellaneous


Date of this Version



Published in Environ. Entomol. 27(4): 1045-1052 (1998).


Trap-back experiments using McPhail traps were conducted to study dispersal and longevity of mass-released, sterile Mexican fruit flies, Anastrepha ludens (Loew). The flies were released at 3 ecologically different sites in northern Mexico. Some flies were recaptured up to 9 km from the release point. However, standard distance was estimated using a regression model that indicated 240 m was the typical dispersal distance. The life expectancy of the released flies from the time of release varied from 5 to 10 d. Greatest longevity, up to 22 wk, occurred during the winter months.

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