![Australian Journal of Zoology Supplementary Series](/covers/ZS_generic.jpg)
Australian Journal of Zoology Supplementary Series
Volume 22 Number 26 1974
Revision of the subgenus Calloesma Michener (Apoidea : Colletidae)
Australian Journal of Zoology Supplementary Series
Volume 22 Number 26 1974
Revision of the subgenus Calloesma Michener (Apoidea : Colletidae)