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Title: Outcrossing and the Mating Competitiveness of Male Mediterranean Fruit Flies (Diptera: Tephritidae): Results from the World’s Oldest Mass-Reared Strain
Authors: Shelly, Todd E.
Keywords: Ceratitis capitata
fruit flies
mass rearing
mating competitiveness
show 2 moreoutcrossing
sterile insect technique

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Issue Date: May-2001
Publisher: Hawaiian Entomological Society
Citation: Shelly TE. 2001. Outcrossing and the mating competitiveness of male Mediterranean fruit flies (Diptera: Tephritidae): results from the world’s oldest mass-reared strain. Proc Hawaiian Entomol Soc 35:49–54.
Abstract: The Hawaiian HI-LAB strain is the oldest mass-reared strain of Mediterranean fruit fly, Ceratitis capitata (Wied.), in the world, and recent laboratory and field data show that HI-LAB males perform poorly in mating competition against wild males. The purpose of this study was to determine whether the mating performance of HI-LAB males could be improved by a single outcrossing event with wild flies (HI-LAB
females X wild males). Using field-caged host trees, I monitored male mating success
with wild females and found that (1) HI-LAB males had low mating success relative to wild males, (2) F1 hybrid males mated with equal frequency as wild males, and (3) F10
hybrid males had a reduced mating success similar to that recorded for the HI-LAB
males. The implications of the present findings for mass-rearing strategies are discussed.
Pages/Duration: 6 pages
ISSN: 0073-134X
Appears in Collections:Volume 35 - May 2001 : Hawaiian Entomological Society

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