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| Colletes aethiops Cresson, 1868 | 0 |
| Colletes albescens Cresson, 1868 | 0 |
| Colletes albocinctus Cockerell, 1924 | 0 |
| Colletes albomaculatus (Lucas, 1849) | 0 |
| Colletes algarobiae Cockerell, 1900 | 0 |
| Colletes americana Cresson, 1868 | 0 |
| Colletes annae Cockerell, 1897 | 0 |
| Colletes annae disseptus Timberlake, 1951 | 0 |
| Colletes antiguensis Cockerell, 1912 | 0 |
| Colletes aridus Stephen, 1954 | 0 |
| Colletes arizonensis Stephen, 1954 | 0 |
| Colletes azteca Cresson, 1868 | 0 |
| Colletes banksi Swenk, 1908 | 0 |
| Colletes beamerorum Stephen, 1954 | 0 |
| Colletes birkmanni Swenk, 1906 | 0 |
| Colletes bombiformis Metz, 1910 | 0 |
| Colletes brevicornis Robertson, 1897 | 7 |
| Colletes brimleyi Mitchell, 1951 | 1 |
| Colletes bruneri Swenk, 1904 | 0 |
| Colletes bryanti Timberlake, 1951 | 0 |
| Colletes capitatus Metz, 1910 | 0 |
| Colletes chiapensis Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes clypeonitens Swenk, 1906 | 0 |
| Colletes compactus Cresson, 1868 | 7 |
| Colletes compactus hesperius Swenk, 1906 | 0 |
| Colletes consors Cresson, 1868 | 0 |
| Colletes costaricensis Friese, 1916 | 0 |
| Colletes covilleae Timberlake, 1951 | 0 |
| Colletes daleae Cockerell, 1897 | 0 |
| Colletes delicatus Metz, 1910 | 0 |
| Colletes deserticola Timberlake, 1951 | 0 |
| Colletes dilatatus Metz, 1910 | 0 |
| Colletes distinctus Cresson, 1868 | 2 |
| Colletes everaerti | 0 |
| Colletes francesae Deyrup & Deyrup, 2011 | 0 |
| Colletes frontalis Metz, 1910 | 0 |
| Colletes fulgidus Swenk in Viereck, 1904 | 0 |
| Colletes furfuraceus Holmberg, 1886 | 0 |
| Colletes gilensis Cockerell, 1897 | 0 |
| Colletes granpiedrensis Genaro, 2001 | 0 |
| Colletes griseus Smith, 1879 | 0 |
| Colletes guadalajarensis Metz, 1910 | 0 |
| Colletes guatemalensis Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes hicaco Genaro, 2003 | 0 |
| Colletes howardi Swenk, 1925 | 0 |
| Colletes inaequalis Say, 1837 | 4 |
| Colletes intermixtus Swenk, 1905 | 0 |
| Colletes intricatus Smith, 1879 | 0 |
| Colletes isabelae Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes isthmicus Swenk, 1930 | 0 |
| Colletes jaliscoensis Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes jobeli Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes larreae Timberlake, 1951 | 0 |
| Colletes latitarsis Robertson, 1891 | 10 |
| Colletes lineatus Metz, 1910 | 0 |
| Colletes longifacies Stephen, 1954 | 0 |
| Colletes louisae Cockerell, 1897 | 0 |
| Colletes macconelli Metz, 1910 | 0 |
| Colletes mandibularis Smith, 1853 | 0 |
| Colletes mexicana Cresson, 1868 | 0 |
| Colletes mixiconis Strand | 0 |
| Colletes mlokossewiczi Radoszkowski, 1891 | 0 |
| Colletes moctezumensis Metz, 1910 | 0 |
| Colletes montefragus Raw, 1984 | 0 |
| Colletes motaguensis Cockerell, 1912 | 0 |
| Colletes mulegensis Cockerell, 11924 | 0 |
| Colletes nautlanus Cockerell, 1899 | 0 |
| Colletes niger Swenk, 1904 | 0 |
| Colletes nigerrima Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes nigrifrons Titus, 1900 | 0 |
| Colletes nudus Robertson, 1898 | 2 |
| Colletes ochraceus Swenk, 1906 | 0 |
| Colletes ornatus Schrottky, 1902 | 0 |
| Colletes panamensis Michener, 1954 | 0 |
| Colletes peninsularis Timberlake, 1951 | 0 |
| Colletes perileucus Cockerell, 1924 | 0 |
| Colletes perplexus Smith, 1879 | 0 |
| Colletes petropolitanus Dalla Torre, 1896 | 0 |
| Colletes platycnema Snelling, 1975 | 0 |
| Colletes productus Robertson, 1891 | 3 |
| Colletes profectus Cockerell, 11924 | 0 |
| Colletes prosopidis Cockerell, 1897 | 0 |
| Colletes punctipennis Cresson, 1868 | 0 |
| Colletes punctipennis maurus Stephen, 1954 | 0 |
| Colletes recurvatus Metz, 1910 | 0 |
| Colletes robertsonii Dalla Torre, 1896 | 7 |
| Colletes rohweri Cockerell, 1919 | 0 |
| Colletes rugicollis Friese, 1916 | 0 |
| Colletes rugicollis nigrior Michener, 1954 | 0 |
| Colletes salicicola Cockerell, 1897 | 0 |
| Colletes saritensis Stephen, 1954 | 0 |
| Colletes scopiventer Swenk, 1908 | 0 |
| Colletes simulans Cresson, 1868 | 0 |
| Colletes simulans armatus Patton, 1879 | 0 |
| Colletes simulans miamiensis Mitchell, 1951 | 0 |
| Colletes slevini Cockerell, 1925 | 0 |
| Colletes solari Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes solidaginis Swenk, 1906 | 3 |
| Colletes speculiferus Cockerell, 1927 | 6 |
| Colletes sphaeralceae Timberlake, 1951 | 0 |
| Colletes spilopterus Cockerell, 1917 | 0 |
| Colletes stepheni Timberlake, 1958 | 0 |
| Colletes subdilatatus Metz, 1910 | 0 |
| Colletes submarginatus Cresson, 1865 | 0 |
| Colletes swenki Stephen, 1954 | 0 |
| Colletes texanus crawfordi Swenk, 1906 | 0 |
| Colletes texanus texanus Cresson, 1872 | 0 |
| Colletes thoracicus Smith, 1853 | 4 |
| Colletes thysanellae Mitchell, 1951 | 4 |
| Colletes titusensis Mitchell, 1951 | 3 |
| Colletes tzotzilis Balboa & Ayala in Balboa et al., 2017 | 0 |
| Colletes ursina Smith, 1853 | 0 |
| Colletes validus Cresson, 1868 | 5 |
| Colletes vandykei Timberlake, 1951 | 0 |
| Colletes volsellatus Metz, 1910 | 0 |
| Colletes wickhami Timberlake, 1943 | 0 |
| Colletes willistoni Robertson, 1891 | 6 |
| Colletes wilmattae Cockerell, 1904 | 0 |
| Colletes wootoni Cockerell, 1897 | 0 |
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