Requested reference
Levi, H. W. (1978a). The American orb-weaver genera Colphepeira, Micrathena and Gasteracantha north of Mexico (Araneae, Araneidae). Bulletin of the Museum of Comparative Zoology 148: 417-442. 
-- Show included taxa
Levi, H. W. (1978a). The American orb-weaver genera Colphepeira, Micrathena and Gasteracantha north of Mexico (Araneae, Araneidae). Bulletin of the Museum of Comparative Zoology 148: 417-442. -- Show included taxa