Abstract
Summary and Conclusions The identity of the Anopheles species with the pale-tipped wing in the vicinity of Hamilton, Montana, is considered to be A. earlei. The egg of this species differs from that of A. occidentalis in that it possesses two dark transverse bars on the dorsal surface. A. earlei thus appears to be closely related to A. maculipennis (type species) of Europe, but differences in cage behavior of the male is evidence that these two are not the same. A. earlei appears to be adaptable to colonization; the writer's colony failed perhaps because of the inability to send enough living eggs to Baltimore from Montana.
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