1996, 68 pages, b/w drawings, dot-distribution maps. Provides a revised
classification of Syrphidae with key to 11 species (two new). Contains descriptions or redescriptions of type, comparisons, notes on distribution, range maps, flower records, and comment for each species. Includes illustrations of hind femora and male genitalia for all species (head and abdomen for selected species). Wirebound; 8-1/2 x 11".
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