Document Type

Article

Journal/Book Title/Conference

The Pan-Pacific Entomologist

Volume

34

Issue

3

Publication Date

7-1-1958

First Page

161

Last Page

168

Abstract

The genus Lindenius Lepeletier and Brulle is a group of small black crabronids with restricted yellow markings. The species are largely Holarctic and were placed in two subgenera, Lindenius and Trachelosimus Morawitz, by Pate ( 1947). In a recent paper on the Palearctic forms de Beaumont (1956) has avoided the use of subgenera and has substituted species groups. He listed five groups and six additional isolated species. Examples of each group have been furnished us by P. M. F. Verhoeff. All of the seven previously known North America species are referable to Trachelosimus which corresponds to the pygmaeus group of de Beaumont. One of these, dugesianus Leclercq ( 1950), described from Guanajuato, Mexico, we have seen also from Sinaloa, Nayarit, and southwestern United States (southern California, Arizona, New Mexico, western Texas). Arizona specimens were kindly compared with the type by J. Lecler cq. We are adding three new specie to the pygmaeus group and a fourth which seems to be isolated.

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