A Revision of the Nearctic Aulacigaster Macquart with notes on A. leucopeza (Meigen) from the Palearctic Region
By Mathis WN and Friedberg A
full text
Describes the splitting of the 3 Nearctic species of
Aulacigaster from the Palearctic species
A. leucopeza and contains some of the figures referred to in Rung and Mathis
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