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Article Title

A New Carpenter Bee from the Great Basin Region (Hymenoptera, Xylocopidae)

Volume

39

Issue

2

First Page

126

Last Page

127

Abstract

Although the Xylocopa herein described has been previously recorded as a form of X. tabaniformis Smith ( a Mexican species probably not occuring far north of Brownsville, Texas), its relationship to X. orpifex Smith of the Pacific Coast is closer than that to X. tabaniformis. It is described as a subspecies of X. orpifex rather than as a distinct species, in spite of the fact that no intermediate specimens have been found, because the females of the two forms are apparently indistinguishable and because practically no structural characters can be found to separate the males. In order to make the subspecific differences clear, they are described in a comparative manner for typical X. orpifex as well as for its Great Basin representative.

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