Hymenoptera of America north of Mexico : synoptic catalog /
Muesebeck, Carl Frederick William, 1894-
Hymenoptera of America north of Mexico : synoptic catalog / prepared cooperatively by specialists on the various groups of hymenoptera under the direction of C.F.W. Muesebeck, Karl V. Krombein and Henry K. Townes. - Washington : United States Government Printing Office, 1951. - 1420 p. : fold. map. ; 24 cm. - United States. Dept. of Agriculture. Agriculture monograph ; no. 2. .
Supplement, no.- issued Sept. 1958--
agr51000324
Hymenoptera--North America.
HD1751 / .A918 no. 2
595.79
1Ag84 / AM no. 2
Hymenoptera of America north of Mexico : synoptic catalog / prepared cooperatively by specialists on the various groups of hymenoptera under the direction of C.F.W. Muesebeck, Karl V. Krombein and Henry K. Townes. - Washington : United States Government Printing Office, 1951. - 1420 p. : fold. map. ; 24 cm. - United States. Dept. of Agriculture. Agriculture monograph ; no. 2. .
Supplement, no.- issued Sept. 1958--
agr51000324
Hymenoptera--North America.
HD1751 / .A918 no. 2
595.79
1Ag84 / AM no. 2