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* Correspondence: email@example.com Tephritidae are picture-winged flies of variable size belonging to the superfamily… Expand This study is based on the fruit fly material collected in the Kayseri and Sivas provinces of Turkey during 2005 and 2006. Thirty… Expand The problem of optimal clutch sizes is a central theme in life history theory. Optimal allocation of eggs is especially… Expand Seven exotic seed head insects have been introduced into the western United States for control of yellow starthistle. Six are… Expand The Old World tephritid Urophora quadrifasciata, a gall-inducing seed head fly, was released in western and eastern North… Expand By using laboratory flight mills, I tested the hypothesis that the differential distributions of knapweed gall flies, Urophora… Expand 2. THE EXPERIMENTAL MEASUREMENT OF FECUNDITY. I. . . . 48 (a) The effect of mating on fecundity . . . . . . . . . . . . 149 (b… Expand