A

 

Authors

H. W. Allen

Document Type

Article

Journal/Book Title/Conference

Transactions of The American Entomological Society

Volume

87

Publication Date

9-9-1961

First Page

1

Last Page

20

Abstract

Species of Tiphia exhibit such marked antigeny that characters used to separate the species of one sex either do not occur in or are of no value in separating the opposite sex. Therefore, it is practically certain that there are errors in some of the existing associations. There are also numerous instances in which one sex is known but not the other. It follows that some of the described species are the opposite sex of species previously described. Obviously, these errors cannot be corrected until structures common to both sexes are discovered, or the relationship is clearly established by taking the two sexes while mating, or breeding males from known females, or collecting a large series including both sexes, living in close association. Males also have more sharply defined characters, and more species of this sex are recognized, so it follows that in the following key, the females of more than one closely related species may run to one point. In general the terminology used in this paper follows that described and illustrated by Allen and Jaynes (Proc. U.S. Nat. Mus. 76, art. 17, 1930).

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