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| Protandrena abdominalis (Cresson, 1878) | 0 |
| Protandrena adjunctus Timberlake, 1975 | 0 |
| Protandrena amplipennis Timberlake, 1976 | 0 |
| Protandrena angusticeps Timberlake, 1976 | 0 |
| Protandrena arctiventris Timberlake, 1975 | 0 |
| Protandrena aristatus Timberlake, 1975 | 0 |
| Protandrena asperatus Timberlake, 1975 | 0 |
| Protandrena bachue Gonzalez & Ruz, 2007 | 0 |
| Protandrena bancrofti Dunning, 1897 | 0 |
| Protandrena barberi (Cockerell, 1898) | 0 |
| Protandrena bicolor (Timberlake, 1955) | 0 |
| Protandrena bidentis (Cockerell, 1986) | 0 |
| Protandrena bishoppi Crawford, 1916 | 0 |
| Protandrena blandula Timberlake, 1976 | 0 |
| Protandrena boharti Timberlake, 1976 | 0 |
| Protandrena boylei (Cockerell, 1986) | 0 |
| Protandrena brevis Timberlake, 1975 | 0 |
| Protandrena californica Cockerell, 1978 | 0 |
| Protandrena chemsaki Timberlake, 1975 | 0 |
| Protandrena clypeatus Timberlake, 1975 | 0 |
| Protandrena cockerelli Dunning, 1897 | 0 |
| Protandrena congener Timberlake, 1975 | 0 |
| Protandrena consors Timberlake, 1975 | 0 |
| Protandrena creper | 0 |
| Protandrena disparilis (Walker, 1871) | 0 |
| Protandrena dreisbachi Mitchell, 1960 | 0 |
| Protandrena duplonotata (Timberlake, 1955) | 0 |
| Protandrena durangoensis Timberlake, 1976 | 0 |
| Protandrena eclepta Timberlake, 1976 | 0 |
| Protandrena edentata | 0 |
| Protandrena elongatus | 0 |
| Protandrena euphorbiae (Timberlake, 1955) | 0 |
| Protandrena eurycephalus Timberlake, 1975 | 0 |
| Protandrena exigua Timberlake, 1976 | 0 |
| Protandrena fasciata Timberlake, 1976 | 0 |
| Protandrena flavotinctus (Cockerell, 1898) | 0 |
| Protandrena foveata Timberlake, 1976 | 0 |
| Protandrena fuscitarsis Timberlake, 1975 | 0 |
| Protandrena globiceps Timberlake, 1975 | 0 |
| Protandrena gracilis Timberlake, 1975 | 0 |
| Protandrena guarnensis Gonzalez & Ruz, 2007 | 0 |
| Protandrena helianthi Mitchell, 1960 | 0 |
| Protandrena heteromorpha (Cockerell. 1896) | 0 |
| Protandrena humilis Timberlake, 1968 | 0 |
| Protandrena hurdi Timberlake, 1976 | 0 |
| Protandrena illustris (Vachal, 1903) | 0 |
| Protandrena impressa Timberlake, 1976 | 0 |
| Protandrena inornatus Timberlake, 1975 | 0 |
| Protandrena irwini Timberlake, 1976 | 0 |
| Protandrena lateralis Timberlake, 1976 | 0 |
| Protandrena levis Timberlake, 1975 | 0 |
| Protandrena leviventris Timberlake, 1975 | 0 |
| Protandrena lipovsykyi Timberlake, 1976 | 0 |
| Protandrena lopeziae Timberlake, 1975 | 0 |
| Protandrena lugubris Timberlake, 1975 | 0 |
| Protandrena maculata Timberlake, 1976 | 0 |
| Protandrena margaritensis Fox, 1893 | 0 |
| Protandrena marstoni Timberlake, 1976 | 0 |
| Protandrena maurula (Cockerell, 1896) | 0 |
| Protandrena maximina Gonzalez & Ruz, 2007 | 0 |
| Protandrena metanotalis Timberlake, 1976 | 0 |
| Protandrena mexicanorum (Cockerell, 1896) | 0 |
| Protandrena mexicanus (Friese, 1916) | 0 |
| Protandrena modesta (Smith, 1879) | 0 |
| Protandrena mundus Timberlake, 1975 | 0 |
| Protandrena nanulus Timberlake, 1964 | 0 |
| Protandrena nebrascencis muesebecki (Michener, 1951) | 0 |
| Protandrena nebrascensis nebrascensis (Crawford, 1903) | 0 |
| Protandrena neomexicanus Cockerell, 1898 | 0 |
| Protandrena nudescens Timberlake, 1976 | 0 |
| Protandrena occiduus (Timberlake, 1967) | 0 |
| Protandrena parvulus (Friese, 1916) | 0 |
| Protandrena pauper (Cresson, 1878) | 0 |
| Protandrena pectidis (Timberlake, 1955) | 0 |
| Protandrena pernitens Timberlake, 1976 | 0 |
| Protandrena persimilis Timberlake, 1976 | 0 |
| Protandrena planatus (Cockerell, 1918) | 0 |
| Protandrena platycephalus (Ruz, 1990) | 0 |
| Protandrena pleuralis Timberlake, 1975 | 0 |
| Protandrena polita Timberlake, 1976 | 0 |
| Protandrena protuberata Timberlake, 1976 | 0 |
| Protandrena pueblanus Timberlake, 1975 | 0 |
| Protandrena pumilus | 0 |
| Protandrena punctulata Timberlake, 1976 | 0 |
| Protandrena rangeli Gonzalez & Ruz, 2007 | 0 |
| Protandrena sculleni Timberlake, 1975 | 0 |
| Protandrena scutellata Cockerell, 1916 | 0 |
| Protandrena semilevis Timberlake, 1976 | 0 |
| Protandrena skinneri Timberlake, 1976 | 0 |
| Protandrena sorocula Timberlake, 1976 | 0 |
| Protandrena sphaeralceae Timberlake, 1976 | 0 |
| Protandrena stathamae (Timberlake, 1967) | 0 |
| Protandrena subglaber Timberlake, 1975 | 0 |
| Protandrena sublevis | 0 |
| Protandrena subopacus Timberlake, 1964 | 0 |
| Protandrena succinctus Timberlake, 1975 | 0 |
| Protandrena tessellata Timberlake, 1976 | 0 |
| Protandrena texana Timberlake, 1976 | 0 |
| Protandrena tidestromiae Timberlake, 1976 | 0 |
| Protandrena tridecis Timberlake, 1975 | 0 |
| Protandrena trifoliata (Cockerell, 1896) | 0 |
| Protandrena trilobata Timberlake, 1976 | 0 |
| Protandrena tripogandrae Timberlake, 1975 | 0 |
| Protandrena unimaculata Timberlake, 1976 | 0 |
| Protandrena ventralis (Imhoff, 1832) | 0 |
| Protandrena verbesinae (Timberlake, 1955) | 0 |
| Protandrena xestops Timberlake, 1976 | 0 |
| 0 |