Anthidiellum binoi (Fr.)
Anthidiellum perplexum (Smith)
Anthidiellum notatum (Lat.)
Anthidiellum notatum robertsoni Ckll.
Anthidiellum notatum rufimaculatum Schwz.
Anthidiellum manicatum Linn.
Anthidiellum psoraleae Rbt.
Ashmeadiella pronitens (Ckll.)
Ashmeadiella cactorum (Ckll.)
Chalicodoma campanulae (Rbt.)
Chalicodoma exilis (Cr.)
Chalicodoma exilis parexilis (Mitch.)
Chalicodoma georgica (Cress.)
Chalicodoma discorhina (Ckll.)
Chalicodoma rugifrons (Smith)
Chalicodoma occidentalis (Fox)
Chalicodoma spp.
Coelioxys alternata Say
Coelioxys ardescens Ckll.
Coelioxys asteris Cwfd.
Coelioxys azteca Cr.
Coelioxys dolichos Fox
Coelioxys funeraria Smith
Coelioxys hunteri Cwfd.
Coelioxys immaculata Cock.
Coelioxys mexicana Cress.
Coelioxys modesta Smith
Coelioxys moesta Cress.
Coelioxys octodentata Say
Coelioxys porterae Ckll.
Coelioxys rufitarsis Smith
Coelioxys sayi Rbt.
Coelioxys sodalis Cress.
Coelioxys texana Cress.
Coelioxys spp.
Dianthidium curvatum sayi Ckll.
Dianthidium floridense Schwz.
Dianthidium simile (Cress.)
Heriades (Physostetha) carinata Cresson
Heriades (Neotrypetes) leavitti Crawford
Heriades variolosa (Cress.)
Heriades spp.
Heteranthidium ridingsii (Cr.)
Heteranthidium zebratum (Cr.)
Hoplitis (Monumetha) albifrons (Kirby)
Hoplitis (Andronicus) cylindrica (Cresson)
Hoplitis fulgida (Cr.)
Hoplitis (Alcidamea) pilosifrons (Cresson)
Hoplitis (Alcidamea) producta (Cresson)
Hoplitis truncata (Cress.)
Hoplitis simplex (Cr.)
Lithurge gibbosus (Smith)
Lithurge spp.
Megachile (Delomegachile) addenda Cresson
Megachile (Acentron) albitarsis Cresson
Megachile apicalis Spin.
Megachile (Litomegachile) brevis brevis Say
Megachile candidiella Mitch.
Megachile centuncularis (L.)
Megachile fortis Cress.
Megachile frigida Smith
Megachile (Sayapis) frugalis Cresson
Megachile gemula Cress.
Megachile (Megachile) inermis Provancher
Megachile inimica Cress.
Megachile integra Cress.
Megachile (Xanthorsarus) latimanus Say
Megachile melanophaea Sm.
Megachile melanophaea calogaster Ckll.
Megachile (Litomegachile) mendica Cresson
Megachile (Megachile) montivaga Cresson
Megachile newberryae Ckll.
Megachile pacifica Panz.
Megachile pilidens Alfk.
Megachile parallela Smith
Megachile perihirta Ckll.
Megachile petulans Cress.
Megachile pollicaris Say
Megachile (Sayapis) pugnata Say
Megachile (Megachile) relativa Cresson
Megachile rubi Mitch.
Megachile sidalceae Ckll.
Megachile saritans Fansc.
Megachile (Litomegachile) texana Cresson
Megachile townsendiana Ckll.
Megachile xylocopoides Smith
Megachile spp.
Osmia albiventris (Cress.)
Osmia (Chenosmia) atriventris Cresson
Osmia balearica Schdkt.
Osmia bucephala Cress.
Osmia caerulescens (L.)
Osmia chalybea Smith
Osmia coloradensis Cress.
Osmia (Nothosmia) distincta Cresson
Osmia conjuncta (Cr.)
Osmia cordata Rbt.
Osmia cornata Lat.
Osmia decamsignata Rad.
Osmia dimidiata Mor.
Osmia (Chalcosmia) georgica Cresson
Osmia (Osmia) lignaria Say
Osmia lignaria propinqua Cress.
Osmia montana Cress.
Osmia proxima Cress.
Osmia (Nothosmia) pumila Cresson
Osmia (Monilosmia) simillima Smith
Osmia subaustralis Ckll.
Osmia tersula Ckll.
Osmia (Chalcosmia) texana Cresson
Osmia virga Sand.
Osmia spp.
Prochelostoma spp.
Paranthidium jugatorum lepidum (Cr.)
Stelis costalis Cress.
Stelis foederalis Smith.
Stelis nitida Cress.
Stelis lateralis Cress.
Stelis portoi (Friese)
Stelis vernalis Mitch.
Undetermined Megachilidae