A revision of the genus Achaearanea (Araneae: Theridiidae)
By Hajime Yoshida Acta Arachnologica 57(1): 37-40, 2008
This is the publication in which all North American Achaearanea were moved into Cryptachaea, Hentziectypus, and Parasteatoda... thus we no longer have genus Achaearanea in BugGuide's range.