Intra-tree activity of male Mediterranean fruit flies (Diptera:Tephritidae): effects of posteclosion light, crowding, adult diet, and irradiation
1998
Vargas, Roger I. | Prokopy, Ron | Hsu, Chiou-Ling | Kanehisa, Dale
Laboratory-reared Mediterranean fruit flies Ceratitis capitata (Wiedemann) were held under varying conditions of fight, density, food, and irradiation prior to release of males on potted guava, Psidium guajava L., plants in outdoor cages. Male activity after release was measured in terms of number of leaves visited and duration of flights within the plant canopy. Males held continuously in the dark were more active than those held under a photoperiod of 12:12 (L:D). Males held continuously in the dark at high densities were more active than those held continuously in the dark at low densities. Males provided sugar and protein were more active than those provided only sugar. Radiation did not appear to affect activity of flies tested. Implications of these findings to sterile insect programs are discussed.
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