Author: Muesebeck, C.F.W., a.o.
Title: Hymenoptera of America North of Mexico. Synoptic Catalog. [AND:] First Supplement.
Description: Washington, 1951-1958. 2 vols. 1420, 305 pp. 1 folding map. Hardcover. - Both vols: a bit spotted; name & date handwritten in ink on first free endpapers. Catalog: Last inner joint weak. Title page loosening. (US Dep. of Agriculture, Agriculture Monograph No. 2)Added: First supplement.

Keywords: Entomology Hymenoptera Entomologie Wesp