IRMNG Taxon list
Ancylandrena atoposoma (Cockerell, 1934)
Ancylandrena koebelei (Timberlake, 1951)
Ancylandrena larreae Timberlake, 1951
Ancylandrena rozeni Zavortink, 1994
Ancylandrena timberlakei Zavortink, 1974
Andrena ablegata (Cockerell, 1922)
Andrena accepta Viereck, 1891
Andrena aculeata LaBerge, 1980
Andrena advena Smith, 1862 accepted as Leioproctus advena (Smith, 1862)
Andrena aerifera LaBerge, 1967
Andrena aeripes LaBerge, 1967
Andrena afimbriata LaBerge, 1967
Andrena agilis Smith, 1879
Andrena agoseridis Thorp, 1969
Andrena alamonis Viereck, 1917
Andrena albiculta Viereck, 1917
Andrena alceae LaBerge, 1986
Andrena algida Smith, 1853
Andrena aliciae Robertson, 1891
Andrena aliciarum Cockerell, 1897
Andrena aliena Smith, 1853 accepted as Leioproctus alienus (Smith, 1853)
Andrena alleghaniensis Viereck, 1907
Andrena amarilla Cockerell, 1946
Andrena amphibola (Viereck, 1904)
Andrena anatolis Linsley & MacSwain, 1961
Andrena andrenoides (Cresson, 1878)
Andrena angelesia Timberlake, 1951
Andrena angustella Cockerell, 1936
Andrena angusticrus LaBerge, 1971
Andrena angustitarsata Viereck, 1904
Andrena anisochlora Cockerell, 1936
Andrena annectens Ribble, 1968
Andrena anograe Cockerell, 1901
Andrena apacheorum Cockerell, 1897
Andrena apasta Linsley & MacSwain, 1961
Andrena aquila LaBerge, 1971
Andrena arabis Robertson, 1897
Andrena arctostaphylae Ribble, 1968
Andrena ardis LaBerge, 1967
Andrena arenicola LaBerge & Ribble, 1972
Andrena argemonis Cockerell, 1896
Andrena argentiscopa Viereck, 1917
Andrena asteris Robertson, 1891
Andrena asteroides Mitchell, 1960
Andrena astragali Viereck & Cockerell, 1914
Andrena atlantica Mitchell, 1960
Andrena atypica (Cockerell, 1941)
Andrena auricoma Smith, 1879
Andrena aurihirta Donovan, 1977
Andrena auripes LaBerge, 1967
Andrena avulsa LaBerge & Ribble, 1972
Andrena baeriae Timberlake, 1941
Andrena balsamorhizae LaBerge, 1967
Andrena banksi Malloch, 1917
Andrena barbara Bouseman & LaBerge, 1979
Andrena barberi Cockerell, 1898
Andrena barbilabris (Kirby, 1802)
Andrena beameri LaBerge, 1967
Andrena bendensis Donovan, 1977
Andrena berberidis Cockerell, 1905
Andrena berkeleyi Viereck & Cockerell, 1914
Andrena bernardina Linsley, 1938
Andrena biareola LaBerge, 1971
Andrena bilimeki LaBerge, 1967
Andrena birtwelli Cockerell, 1901
Andrena bisalicis Viereck, 1908
Andrena biscutellata Viereck, 1917
Andrena blaisdelli Cockerell, 1924
Andrena blennospermatis Thorp, 1969
Andrena bocensis Donovan, 1977
Andrena boronensis Linsley & MacSwain, 1962
Andrena braccata Viereck, 1907
Andrena bradleyi Viereck, 1907
Andrena brevicornis Bouseman & LaBerge, 1979
Andrena brevipalpis Cockerell, 1930
Andrena bruneri Viereck & Cockerell, 1914
Andrena buccata LaBerge, 1971
Andrena bucculenta LaBerge & Ribble, 1972
Andrena buckelli Viereck, 1924
Andrena bullata LaBerge, 1967
Andrena caerulea Smith, 1879
Andrena californiensis Ribble, 1968
Andrena caliginosa Viereck, 1916
Andrena calvata LaBerge, 1967
Andrena camissoniae Linsley & MacSwain, 1968
Andrena canadensis Dalla Torre, 1896
Andrena candida Smith, 1879
Andrena candidiformis Viereck & Cockerell, 1914
Andrena capricornis Casad & Cockerell, 1896
Andrena carlini Cockerell, 1901
Andrena carolina Viereck, 1909
Andrena ceanothi Viereck, 1917
Andrena ceanothifloris Linsley, 1938
Andrena cerasifolii Cockerell, 1896
Andrena cercocarpi Cockerell, 1936
Andrena cerebrata Mitchell, 1960
Andrena chalybaea (Cresson, 1878)
Andrena chalybeata Erichson, 1842 accepted as Leioproctus chalybeatus (Erichson, 1841)
Andrena chalybioides (Viereck, 1904)
Andrena chaparralensis Neff & Larkin, 2002