Krombein, Karl V.
Hymenoptera of America North of Mexico ; synoptic catalog : - Washington : Department of Agriculture, 1958. - 305 páginas - Agriculture Monograph ; 2 .
AMERICA DEL NORTE
ENTOMOLOGIA
INSECTOS
ANIMALES
TAXONOMIA ANIMAL ARTROPODOS
Hymenoptera of America North of Mexico ; synoptic catalog : - Washington : Department of Agriculture, 1958. - 305 páginas - Agriculture Monograph ; 2 .
AMERICA DEL NORTE
ENTOMOLOGIA
INSECTOS
ANIMALES
TAXONOMIA ANIMAL ARTROPODOS