| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Subclass: | Pterygota |
| Division: | Endopterygota |
| Order: | Hymenoptera |
| Family: | Halictidae |
- Subfamily
- Genus
- species – Common Name
- Dufourea
- afasciata, brevicornis, calientensis, cuprea, dammersi, dentipes, descansana, desertorum, dilatipes, echinocacti, femorata, gilia, latifrons, leachi, linanthi, longiceps, macswaini, malacothricis, marginata, neocalifornica, nudicornis, oenotherae, pectinipes, tarsata, timberlakei, trochantera, truncata, tularensis, tuolumne, vanduzeei, vandykei, vernalis, viridis –
- Systropha
- curvicornis, planidens –
Halictinae
- Agapostemon
- cockerelli, melliventris, radiatus, sericeus, splendens, texanus, viridulus, virescens –
- Augochlora
- pura –
- Augochlorella
- aurata, striata –
- Augochloropsis
- metallica –
- Halictus
- alfkenellus, asperulus, brunnescens, carinthiacus, cochlearitarsis, confusus, constantinensis, crenicornis, eurygnathus, fulvipes, gavarnicus, gruenwaldti, kessleri, langobardicus, leucaheneus, ligatus, maculatus, mediterranellus, nitidus, parallelus, pollinosus, pseudotetrazonius, quadricinctus, resurgens, rubicundus, rufipes, sajoi, scabiosae, seladonius, sexcinctus, simplex, smaragdulus, subauratus, tectus, tetrazonius, tumulorum, vestitus –
- Lasioglossum
- albipennis, coreopsis, coriaceus, forbesii, foxii, illinoensis, imitatus, leucozonium, lineatulus, macoupinensis, malachurum, obscurus, oenotherae, pectoralis, pictus, pilosus, pruinosus, rowheri, tegularis, versatus, vierecki, zephyrus –
- Nomioidea
- –
- Paralictus
- cephalotes, platyparius, platyparius, simplex –
- Pseudaugochloropsis
- graminea, ogilviei, pandora –
- Sphecodes
- antennariae, chilensis, confertus, cressonii, falcifer, ranunculi, stygius –
Nomiinae
- Nomia
- amoenula, anthidioides, apacha, aureovittata, australica, bolliana, californica, capensis, caucasica, chalybeata, cinerea, curvipes, diversipes, equestris, fedorensis, foxii, garua, hadrosoma, heteropoda, howardi, maneei, melanderi, mesillensis, monstrosa, murinella, nevadensis, nortoni, notha, quadrifasciata, robinsoni, rufucornis, semivalida, strigata, swainsonia, tetrazonata, thoracica, triangulifera, unerea, universitatis, vulpina, westwoodii –
- Pseudapis
- bispinosa, diversipes, edentata, monstrosa, oxybeloides, unidentata, valga –
Dufoureinae
