Taxa Count: 18
ANDRENIDAE
Andrena (Thysandrena) bisalicis Viereck, 1908
Andrena (Thysandrena) candida Smith, 1879
Andrena (Thysandrena) declinis LaBerge, 1977
Andrena (Thysandrena) ferrugineipes LaBerge, 1977
Andrena (Thysandrena) illustris LaBerge, 1977
Andrena (Thysandrena) inclinata Viereck, 1917
Andrena (Thysandrena) knuthiana Cockerell, 1901
Andrena (Thysandrena) lauta LaBerge, 1977
Andrena (Thysandrena) livida LaBerge, 1977
Andrena (Thysandrena) medionitens Cockerell, 1902
Andrena (Thysandrena) phaceliae Mitchell, 1960
Andrena (Thysandrena) quadrilimbata LaBerge, 1977
Andrena (Thysandrena) subtrita Cockerell, 1910
Andrena (Thysandrena) taeniata Viereck, 1917
Andrena (Thysandrena) trizonata (Ashmead, 1890)
Andrena (Thysandrena) vierecki Cockerell, 1904
Andrena (Thysandrena) w-scripta Viereck, 1904