Dioxys aurifuscus (Titus 1901)
Dioxys pomonae Cockerell 1910
Dioxys producta (Cresson 1879)
Dioxys productus cismontanicus Hurd 1958
Euaspis abdominalis Fab.
Euaspis carbonaria (Smith)
Fidelia villosa Brauns
Heriades carinatum Cresson 1864
Heriades commanos Cockerell
Heriades crenulata Nylander
Heriades cressoni Michener 1938
Heriades sp.
Heriades timberlakei Michener 1938
Heriades variolosa (Cresson 1872)
Heriades variolosa variolosa (Cresson 1872)
Hoplitis albifrons (Kirby 1837)
Hoplitis albifrons albifrons (Kirby 1837)
Hoplitis albifrons argentifrons (Cresson 1864)
Hoplitis albifrons maura (Cresson 1878)
Hoplitis biscutellae (Cockerell 1897)
Hoplitis cryptanthae (Timberlake & Michener 1950)
Hoplitis cylindrica (Cresson 1864)
Hoplitis fulgida (Cresson 1864)
Hoplitis fulgida fulgida (Cresson 1864)
Hoplitis fulgida platyura (Cockerell 1911)
Hoplitis grinnelli Cockerell 1910
Hoplitis howardi (Cockerell 1910)
Hoplitis hypocrita (Cockerell 1906)
Hoplitis palmarum (Cockerell 1935)
Hoplitis pilosifrons (Cresson 1864)
Hoplitis producta (Cresson 1864)
Hoplitis producta interior Michener 1947
Hoplitis robusta (Nylander 1848)
Hoplitis rupestris (Cockerell 1935)
Hoplitis sambuci Titus 1904
Hoplitis simplex (Cresson 1864)
Hoplitis sp.
Hoplitis truncata (Cresson 1878)
Hoplitis truncata mescalerium Cockerell 1910
Hoplitis truncata truncata (Cresson 1878)
Hoplitis uvulalis (Cockerell 1902)
Hypanthidium braunsi For.
Lithurgus apicalis Cresson 1875
Lithurgus apicalis apicalis Cresson 1875
Lithurgus apicalis opuntiae Cockerell 1902
Lithurgus chrysurus Fonscolombe
Lithurgus cornutus Fabricius
Lithurgus scabrosus Sm.
Lithurgus sparganotis Schlitt.
Megachile abluta
Megachile addenda Cresson 1878
Megachile adeloptera Schletterer
Megachile agustini Cockerell 1905
Megachile alamosana Mitchell 1934
Megachile albitarsis Cresson 1872
Megachile amica Cresson 1972
Megachile ancillula Vach.
Megachile angelarum Cockerell 1902
Megachile binotata Guer.
Megachile bituberculata Ritsema
Megachile brevis Say 1837
Megachile brevis brevis Say 1837
Megachile brevis onobrychidis Cockerell 1908
Megachile brimleyi Mitchell 1926
Megachile caldwelli Cockerell
Megachile campanulae (Robertson 1903)
Megachile campanulae wilmingtoni (Mitchell 1924)
Megachile casadae Cockerell 1898
Megachile centuncularis (Linnaeus 1758)
Megachile chichimeca Cresson 1878
Megachile chilensis Spinole
Megachile chilopsidis Cockerell 1900
Megachile coloradensis Mitchell 1936
Megachile comata Cresson 1872
Megachile combusta Smith 1853
Megachile conjuncta Sm.
Megachile coquilletti Cockerell 1915
Megachile dakotensis Mitchell 1926
Megachile davidsoni Cockerell 1902
Megachile deceptiva Mitch.
Megachile dentitarsus Sladen 1919
Megachile doedorleini Friese
Megachile euzona Perez 1899
Megachile exilis Cresson 1872
Megachile felderi Radoz.
Megachile felina Gerstaecker
Megachile fidelis Cresson 1878
Megachile fortis Cresson 1872
Megachile frigida Smith 1853
Megachile frigida frigida Smith 1853
Megachile frugalis Cresson 1872
Megachile gemula Cresson 1878
Megachile gemula albula Lovell & Cockerell 1907
Megachile gemula avaria Cresson 1878
Megachile gemula fulvogemula Mitchell 1936
Megachile gemula gemula Cresson 1878
Megachile gentilis Cresson 1899
Megachile giliae Cockerell 1906
Megachile grandibarbus Perez 1899
Megachile gratiosa Gerst.
Megachile hera Bingh.
Megachile inermis Provancher 1888
Megachile inimica Cresson 1872
Megachile inimica jacumbensis Mitchell 1927
Megachile inimica sayi Cresson 1878
Megachile innupta Cockerell 1915
Megachile integra Cresson 1878
Megachile integrella Mitchell 1926
Megachile lanata (Fabricius 1775)
Megachile latimanus Say 1823
Megachile legalis Cresson 1879
Megachile lippiae Cockerell 1900
Megachile lobatifrons Cockerell 1924
Megachile manifesta Cresson 1878
Megachile melanophaea Smith 1853
Megachile melanophaea calogaster Cockerell 1898
Megachile melanophaea melanophaea Smith 1853
Megachile melanophaea wootoni Cockerell 1898
Megachile mellitarsis Cresson 1878
Megachile mendica Cresson 1878
Megachile mendica mendica Cresson 1878
Megachile mendica snowi Mitchell 1927
Megachile metallescens
Megachile montivaga Cresson 1878
Megachile mucida semimucida Cockerell 1909
Megachile mucorosa Cockerell 1908
Megachile nelsoni Mitchell 1936
Megachile nevadensis Cresson 1879
Megachile newberryae Cockerell 1900
Megachile nivalis Friese 1903
Megachile occidentalis Fox1894
Megachile oenotherae (Mitchell 1924)
Megachile otomita Cresson
Megachile parallela Smith 1853
Megachile parallela facunda Cresson 1872
Megachile parallela parallela Smith 1853
Megachile perihirta Cockerell 1898
Megachile petulans Cresson 1878
Megachile policaris Say 1831
Megachile pruina Smith 1853
Megachile pugnata Say 1837
Megachile relativa Cresson 1878
Megachile rotundata (Fabricius 1787)
Megachile rubi Mitchell 1924
Megachile rubricata Sm.
Megachile rufipes Fb.
Megachile schauinslandi Alfken
Megachile sicula Rossi
Megachile soledadensis Cockerell 1900
Megachile sp.
Megachile subanograe Mitchell 1934
Megachile subexilis Cockerell 1908
Megachile subnigra Cresson 1879
Megachile subvixator Cockerell
Megachile texana Cresson 1878
Megachile toscata Mitchell 1934
Megachile townsendiana Cockerell 1898
Megachile valdezi Cockerell
Megachile venusta
Megachile vidua Smith 1853
Megachile wheeleri Mitchell 1927
Megachile willughbiella (Kirby)
Megachile xerophila Cockerell 1933
Megachile xylocopoides Smith 1853
Neofidelia profuga Moure & Michener 1955
Notanthidium bidentatum (Friese 1908)
Notanthidium steloides Spinola 1851
Noteriades tricarinata (Bingham 1903)
Osmia adae Bingh.
Osmia albiventris Cresson 1864
Osmia albolateralis Cockerell 1906
Osmia albolateralis albolateralis Cockerell 1906
Osmia anceyi (Perez)
Osmia atriventris Cresson 1864
Osmia atrocyanea Cockerell 1897
Osmia atrocyanea atrocyanea Cockerell 1897
Osmia aurulenta (Panzer 1799)
Osmia austromaritima Michener 1936
Osmia balucha Nurse
Osmia bicolor (Schrank 1781)
Osmia botitena Cockerell 1909
Osmia brevis Cresson 1864
Osmia brevis brevis Cresson 1864
Osmia bruneri Cockerell 1897
Osmia bucephala Cresson 1864
Osmia californica Cresson 1864
Osmia calla Cockerell 1897
Osmia carbonaria Sandhouse
Osmia caulicola Cockerell 1934
Osmia cerasi Cockerell 1897
Osmia chalybea Smith 1853
Osmia clarescens Cockerell 1911
Osmia cobaltina Cresson 1878
Osmia cockerelli Sandhouse 1939
Osmia coerulescens (Linnaeus 1758)
Osmia collinsiae Robertson 1905
Osmia coloradensis Cresson 1878
Osmia conjuncta Cresson 1864
Osmia cordata Robertson 1902
Osmia cyanella Cockerell 1897
Osmia cyaneonitens Cockerell 1906
Osmia cyanopoda Cockerell 1916
Osmia dakotensis Michener 1937
Osmia decemsignata Rad.
Osmia densa Cresson 1864
Osmia densa densa Cresson 1864
Osmia distincta Cresson 1864
Osmia dolerosa Sandhouse 1939
Osmia dutti Cockerell
Osmia enixa Sandhouse 1924
Osmia erythrotricha Cockerell
Osmia exigua Cresson 1878
Osmia exigue diminuta Michener
Osmia ferruginea Latrielle 1811
Osmia fulviventris (Panzer 1798)
Osmia gaudiosa T. D. A. Cockerell 1907
Osmia georgica Cresson 1878
Osmia glauca (Fowler 1899)
Osmia grinnelli Cockerell 1910
Osmia hendersoni Cockerell 1907
Osmia inermis (Zetterstedt 1838)
Osmia inspergens Lovell & Cockerell 1907
Osmia integra Cresson 1878
Osmia inurbana Cresson 1878
Osmia juxta Cresson 1864
Osmia juxta juxta Cresson 1864
Osmia kenoyeri Cockerell 1915
Osmia kincaidii Cockerell 1897
Osmia laeta Sandhouse 1924
Osmia latisulcata Michener 1936
Osmia latreillei (Spinola)
Osmia lignaria Say 1837
Osmia lignaria lignaria Say 1837
Osmia lignaria propinqua Cresson 1864
Osmia longispina Per.
Osmia longula Cresson 1864
Osmia marginata Michener 1936
Osmia melanopleura Cockerell 1916
Osmia mertensiae Cockerell 1907
Osmia moniliferum Cockerell
Osmia montana Cresson 1864
Osmia montana montana Cresson 1864
Osmia montana quadriceps Cresson 1878
Osmia nanula Cockerell 1897
Osmia nemoris Sandhouse 1924
Osmia nifoata Cockerell 1909
Osmia nigrifrons Cresson 1878
Osmia nigrobarbata Cockerell 1916
Osmia odontogaster Cockerell 1897
Osmia pentstemonis T. D. A. Cockerell 1906
Osmia physariae Cockerell 1907
Osmia pikei Cockerell 1907
Osmia potentillae Michener 1936
Osmia proxima Cresson 1864
Osmia pulsatillae Cockerell 1907
Osmia pumila Cresson 1864
Osmia pusilla Cresson 1864
Osmia regulina Cockerell 1911
Osmia ribifloris biedermannii Michener 1936
Osmia ribifloris ribifloris Cockerell 1900
Osmia rufohirta Latreille 1811
Osmia sanctaerosae Cockerell 1910
Osmia sandhouseae Mitchell 1927
Osmia sequoiae Michener 1936
Osmia simillima Smith 1853
Osmia sp.
Osmia subaustralis Cockerell 1900
Osmia subfasciata Cresson 1872
Osmia subfasciata subfasciata Cresson 1872
Osmia subkincaidii Michener
Osmia tersula Cockerell 1912
Osmia texana Cresson 1872
Osmia titusi Cockerell 1905
Osmia trevoris Cockerell 1897
Osmia tristella Cockerell 1897
Osmia tristella tristella Cockerell 1897
Osmia unca Michener 1937
Paranthidium jugatorium (Say 1824)
Paranthidium sp.
Protosmia rubifloris (Cockerell 1898)
Serapista denticulata L.
Stelis aterrima Panz.
Stelis basalis Ritzema
Stelis carnifex Cockerell 1911
Stelis elegans Cresson 1864
Stelis foederalis Smith 1854
Stelis laticincta Cresson 1878
Stelis leucotricha (Cockerell 1925)
Stelis montana Cresson 1864
Stelis monticola Cresson 1878
Stelis pavonina (Cockerell 1908)
Stelis perpulchra Crawford 1916
Stelis pulchra Crawford 1902
Stelis semibrubra Timberlake 1941
Stelis sexmaculata Ashmead 1896
Stelis sp.
Trachusa occidentale (Cresson 1868)
Trachusa perdita Cockerell 1904
Trachusa ridingsii (Cresson 1878)
Trachusa sp.
Trachusa variabile (Timberlake)
Trachusa zebratum (Cresson 1872)
Trichothurgus dubius Sichel 1867
Dasypoda argentata Pan.
Dasypoda plumipes Perez
Hesperapis arenicola Crawford 1917
Hesperapis arida Michener 1936
Hesperapis callura Cockerell
Hesperapis carinata Stevens 1919
Hesperapis fuchsi (Viereck 1909)
Hesperapis fulvipes Crawford 1917
Hesperapis ilicifoliae (Cockerell 1910)
Hesperapis larreae Cockerell 1907
Hesperapis laticeps Crawford
Hesperapis malacothricis Timberlake
Hesperapis nitidulus Cockerell 1916
Hesperapis regularis (Cresson 1878)
Hesperapis rhodocerata (Cockerell 1897)
Hesperapis rufipes (Ashmead 1899)
Hesperapis sp.
Hesperapis wilmattae Cockerell 1933
Macropis ciliata Patton 1880
Macropis labiata Fabr.
Macropis nuda (Provancher 1882)
Macropis patellata Patton 1880
Rhinochaetula ogilviei Cockerell
Monomachus sp.
Acrophotopsis eurygnathus Schuster 1958
Dasymutilla arachnoides (Smith)
Dasymutilla araneoides araneoides (Smith)
Dasymutilla arcana Mickel 1928
Dasymutilla arenivaga Mickel 1928
Dasymutilla asopus (Cresson 1865)
Dasymutilla asopus asopus (Cresson 1865)
Dasymutilla atrifimbriata Mickel 1928
Dasymutilla aureola (Cresson 1865)
Dasymutilla aureola pacifica (Cresson 1865)
Dasymutilla bioculata (Cresson 1865)
Dasymutilla birkmani (Melander 1903)
Dasymutilla californica (Radoszkowski 1861)
Dasymutilla canella (Blake 1871)
Dasymutilla caneo (Blake 1879)
Dasymutilla castor (Blake 1871)
Dasymutilla chiron (Blake 1872)
Dasymutilla chiron ursula (Cresson 1875)
Dasymutilla coccineohirta (Blake 1871)
Dasymutilla creusa (Cresson 1865)
Dasymutilla creusa bellona (Cresson 1865)
Dasymutilla dugesii (Cockerell & Casad 1894)
Dasymutilla electra (Blake 1872)
Dasymutilla formicalia Rohwer
Dasymutilla gloriosa (Saussure 1868)
Dasymutilla gorgon (Blake 1871)
Dasymutilla homole (Mickel 1928)
Dasymutilla interrupta Banks 1921
Dasymutilla klugii (Gray 1832)
Dasymutilla leda (Blake 1872)
Dasymutilla lepeletierii (Fox 1899)
Dasymutilla macra (Cresson 1865)
Dasymutilla magna (Cresson 1865)
Dasymutilla magnifica Mickel 1928
Dasymutilla melanippe conformis Mickel 1928
Dasymutilla meracula Mickel 1928
Dasymutilla monticola (Cresson 1865)
Dasymutilla montivagoides (Viereck 1906)
Dasymutilla mutata (Blake 1871)
Dasymutilla myrice Mickel 1928
Dasymutilla nigricauda (Viereck 1906)
Dasymutilla nigripes (Fabricius 1787)
Dasymutilla nupera Mickel 1928
Dasymutilla occidentalis (Linnaeus 1758)
Dasymutilla occidentalis comanche (Blake 1871)
Dasymutilla occidentalis occidentalis (Linnaeus 1758)
Dasymutilla perilla gentilicia Mickel 1928
Dasymutilla pseudopappus (Cockerell 1895)
Dasymutilla quadriguttata (Say 1823)
Dasymutilla sackenii (Cresson 1865)
Dasymutilla satanas Mickel 1828
Dasymutilla scaevola (Blake 1871)
Dasymutilla scitula Mickel 1928
Dasymutilla snoworum (Cockerell 1897)
Dasymutilla sp.
Dasymutilla stevensi Mickel 1928
Dasymutilla texanella Mickel 1928
Dasymutilla vesta (Cresson 1865)
Dasymutilla vesta errans Rohwer 1912
Dasymutilla vesta sappho (Fox 1899)
Dasymutilla vesta vesta (Cresson 1865)
Dasymutilla vestita (Lepeletier 1845)
Dasymutilla waco (Blake 1871)
Dasymutilla zelaya (Blake 1871)
Dilophotopsis concolor (Cresson 1865)
Dilophotopsis concolor crassa (Viereck 1924)
Dilophotopsis sp.
Ephuta grisea Bradley 1916
Ephuta sp.
Ephutomorpha virulenta Turn.
Myrmilloides graniceps (Blake 1872)
Odontophotopsis erebus (Melander 1903)
Odontophotopsis infelix (Dalla Torre 1897)
Odontophotopsis melicausa (Blake 1871)
Odontophotopsis melicausa westcotti (Melander 1903)
Odontophotopsis pretiosissima (Dalla Torre 1897)
Odontophotopsis sp.
Odontophotopsis venustus (Blake 1886)
Pseudomethoca anthracicolor (Dalla Torre 1897)
Pseudomethoca aureovistita Bradley 1924
Pseudomethoca bequaerti Mickel 1924
Pseudomethoca contumax (Cresson 1865)
Pseudomethoca contumeliosa Mickel 1935
Pseudomethoca flammigera Mickel 1924
Pseudomethoca frigida (Smith 1855)
Pseudomethoca meritoria Mickel 1924
Pseudomethoca oceola (Blake 1871)
Pseudomethoca paludata Mickel 1924
Pseudomethoca propinqua (Cresson 1865)
Pseudomethoca sanbornii (Blake 1871)
Pseudomethoca simillima (Smith 1855)
Pseudomethoca sp.
Sphaeropthalma ceres (Fox 1899)
Sphaeropthalma coaequalis Cameron 1896
Sphaeropthalma contrahenda (Dalla Torre 1897)
Sphaeropthalma imperalis (Blake 1871)
Sphaeropthalma imperialiformis (Viereck 1906)
Sphaeropthalma marpensia (Blake 1879)
Sphaeropthalma mendica (Blake 1871)
Sphaeropthalma sp.
Timulla dubitatiformis Mickel 1937
Timulla ferrugata (Fabricius 1805)
Timulla grotei (Blake 1871)
Timulla leona (Blake 1871)
Timulla oajaca (Blake 1871)
Timulla ocellaria rufidorsa Mickel 1937
Timulla subhyalina Mickel 1937
Timulla suspensa sonora Mickel 1937
Timulla vagans (Fabricius 1798)
Timulla vagans vagans (Fabricius 1798)
Oryssus occidentalis Cresson 1879
Oryssus terminalis Newman 1838
Protoxaea gloriosa Fox
Protoxaea texana Friese
Neurotoma fasciata (Norton 1862)
Onycholyda amplecta (Fabricius 1804)
Pelecinus polyturator (Drury 1773)
Acordulecera mellina MacGillivray 1908
Perilampus hyalinus Say 1828
Amblyaspis sp.
Fidiobia rugosifrons Crawford 1917
Inostemma sp.
Isostasius sp.
Leptacis sp.
Platygaster herrickii Packard 1880
Synopeas anomaliventris (Ashmead 1887)
Ageniella accepta (Cresson 1867)
Ageniella conflicta Banks 1944
Ageniella coronata Banks 1919
Ageniella euphorbiae (Viereck 1903)
Ageniella partita Banks 1919
Ageniella placita sonorensis Townes 1957
Ageniella rufescens (Banks 1939)
Agenioideus biedermani (Banks 1910)
Agenioideus humilis (Cresson 1867)
Anoplius acapulcoensis (Cameron 1893)
Anoplius aethiops (Cresson 1865)
Anoplius americanus ambiguus (Dahlbom 1845)
Anoplius americanus americanus (Beauvois 1811)
Anoplius apiculatus (Smith 1855)
Anoplius apiculatus autumnalis (Banks 1914)
Anoplius atrox (Dahlbom 1843)
Anoplius clystera (Banks 1914)
Anoplius cylindricus (Cresson 1867)
Anoplius dreisbachi Evans 1966
Anoplius estellina (Banks 1914)
Anoplius fulgidus (Cresson 1865)
Anoplius illinoensis (Robertson 1901)
Anoplius imbellis Banks 1944
Anoplius insolens (Banks 1912)
Anoplius ithaca (Banks 1912)
Anoplius lepidus atramentarius (Dahlbom 1843)
Anoplius marginatus (Say 1824)
Anoplius moestus (Banks 1912)
Anoplius nigritus (Dahlbom 1843)
Anoplius percitus Evans 1950
Anoplius samariensis Pal.
Anoplius semicinctus (Dahlbom 1843)
Anoplius semirufus (Cresson 1867)
Anoplius splendens (Dreisbach 1949)
Anoplius subcylindricus (Banks 1917)
Anoplius tenebrosus (Cresson 1865)
Anoplius toluca (Cameron 1893)
Anoplius ventralis (Banks 1910)
Anoplius virginiensis (Cresson 1867)
Aporinellus basalis Banks 1933
Aporinellus completus Banks 1917
Aporinellus fasciatus (Smith 1855)
Aporinellus taeniatus rufus Banks 1912
Aporinellus yucatanensis (Cameron 1893)
Aporus luxus (Banks 1914)
Aporus niger (Cresson 1867)
Aporus notabilis pulchritarsis (Cameron 1893)
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