Leioproctus este un gen din familia de albine Colletidae. Membrii săi sunt în principal întâlniți în Australia și zonele temperate din America de Sud și includ cele mai comune de albine native din Noua Zeelandă. Genul cuprinde următoarele specii:
Leioproctus abdominalis (Smith, 1879) Leioproctus abdominis Michener, 1965 Leioproctus abnormis (Cockerell, 1916) Leioproctus acaciae (Rayment, 1939) Leioproctus advena (Smith, 1862) Leioproctus albopilosus (Rayment, 1930) Leioproctus albovittatus (Cockerell, 1929) Leioproctus alienus (Smith, 1853) Leioproctus alismatis (Ducke, 1908) Leioproctus alleynae (Rayment, 1935) Leioproctus alloeopus Maynard, 1991 Leioproctus amabilis (Smith, 1879) Leioproctus andinus (Herbst, 1923) Leioproctus antennatus (Smith, 1879) Leioproctus anthracinus Michener, 1989 Leioproctus apicalis (Cockerell, 1921) Leioproctus argentifrons (Smith, 1879) Leioproctus arnauellus Michener, 1989 Leioproctus arnaui (Moure, 1949) Leioproctus asper Maynard, 1997 Leioproctus atacama Toro, 1970 Leioproctus atronitens (Cockerell, 1914) Leioproctus aurescens (Cockerell, 1921) Leioproctus aurifrons (Smith, 1853) Leioproctus australiensis (Dalla Torre, 1896) Leioproctus bacchalis (Cockerell, 1914) Leioproctus baeckeae (Rayment, 1948) Leioproctus basirufus (Schrottky, 1920) Leioproctus bathycyaneus Toro, 1973 Leioproctus bicellularis (Ducke, 1910) Leioproctus bicristatus (Cockerell, 1929) Leioproctus bigamicus (Strand, 1910) Leioproctus bimaculatus (Smith, 1879) Leioproctus bipectinatus (Smith, 1856) Leioproctus boltoni Cockerell, 1904 Leioproctus boroniae (Cockerell, 1921) Leioproctus brunerii (Ashmead, 1899) Leioproctus caeruleotinctus (Cockerell, 1905) Leioproctus caerulescens (Cockerell, 1929) Leioproctus caerulescens (Spinola, 1851) Leioproctus calcaratus Michener, 1965 Leioproctus callurus (Cockerell, 1914) Leioproctus canutus Houston, 1990 Leioproctus capillatus (Rayment, 1935) Leioproctus capito Houston, 1990 Leioproctus cardaleae Maynard, 1997 Leioproctus carinatifrons (Cockerell, 1929) Leioproctus carinatulus (Cockerell, 1905) Leioproctus carinatus (Smith, 1853) Leioproctus castaneipes (Cockerell, 1914) Leioproctus cearensis (Ducke, 1908) Leioproctus chalcurus (Cockerell, 1921) Leioproctus chalybeatus (Erichson, 1841) Leioproctus chrysostomus (Cockerell, 1917) Leioproctus cinereus (Smith, 1853) Leioproctus clarki (Cockerell, 1929) Leioproctus clarus (Rayment, 1935) Leioproctus clypeatus (Cockerell, 1916) Leioproctus colletellus (Cockerell, 1905) Leioproctus coloratipes (Cockerell, 1933) Leioproctus confusus Cockerell, 1904 Leioproctus conospermi Houston, 1989 Leioproctus contrarius Michener, 1965 Leioproctus crassipunctatus (Urban, 1995) Leioproctus crenulatus Michener, 1965 Leioproctus cristariae (Jörgensen, 1912) Leioproctus cristatus (Smith, 1853) Leioproctus cupreus (Smith, 1853) Leioproctus cyaneorufus (Cockerell, 1930) Leioproctus cyanescens (Cockerell, 1929) Leioproctus cyaneus (Cockerell, 1915) Leioproctus cyanurus (Cockerell, 1914) Leioproctus cygnellus (Cockerell, 1905) Leioproctus davisi Maynard, 1994 Leioproctus decoloratus (Ducke, 1908) Leioproctus delahozii Toro, 1973 Leioproctus deltivagus (Ogloblin, 1948) Leioproctus dentatus (Rayment, 1931) Leioproctus dentiger (Cockerell, 1910) Leioproctus diodontus (Cockerell, 1929) Leioproctus dolosus Michener, 1965 Leioproctus douglasiellus Michener, 1965 Leioproctus duplex Michener, 1989 Leioproctus echinodori (Melo, 1996) Leioproctus elegans Smith, 1853 Leioproctus eraduensis (Cockerell, 1929) Leioproctus eremites Houston, 1990 Leioproctus eremitulus Houston, 1990 Leioproctus erithrogaster Toro, 1970 Leioproctus erythropyga Maynard, 1997 Leioproctus eucalypti (Cockerell, 1916) Leioproctus eugeniarum (Cockerell, 1912) Leioproctus eulonchopriodes Michener, 1989 Leioproctus euphenax (Cockerell, 1913) Leioproctus excubitor Houston, 1991 Leioproctus facialis (Cockerell, 1921) Leioproctus fallax (Cockerell, 1921) Leioproctus fasciatus (Schrottky, 1920) Leioproctus fazii (Herbst, 1923) Leioproctus ferrisi (Rayment, 1935) Leioproctus ferrugineus (Moure, 1954) Leioproctus festivus (Cockerell, 1929) Leioproctus fiebrigi (Brèthes, 1909) Leioproctus filamentosus (Rayment, 1959) Leioproctus fimbriatinus (Cockerell, 1910) Leioproctus fimbriatus Smith, 1879 Leioproctus finkei Michener, 1965 Leioproctus flavicornis (Spinola, 1851) Leioproctus flavitarsus Toro, 1973 Leioproctus flavomaculatus (Cockerell, 1905) Leioproctus flavorufus (Cockerell, 1905) Leioproctus floccosus Maynard, 1992 Leioproctus franki (Friese, 1908) Leioproctus frankiellus Michener, 1965 Leioproctus frenchi (Cockerell, 1929) Leioproctus friesei (Jörgensen, 1912) Leioproctus friesellus Michener, 1965 Leioproctus fucosus Michener, 1989 Leioproctus fulvescens (Smith, 1876) Leioproctus fulvoniger Michener, 1989 Leioproctus fulvus (Moure & Urban, 1995) Leioproctus fulvus (Smith, 1879) Leioproctus gallipes (Cockerell, 1913) Leioproctus guaritarus (Urban, 1995) Leioproctus hackeri (Cockerell, 1918) Leioproctus halictiformis (Smith, 1879) Leioproctus hamatus Maynard, 1994 Leioproctus hardyi (Cockerell, 1929) Leioproctus helichrysi (Cockerell, 1918) Leioproctus helmsi (Cockerell, 1929) Leioproctus herrerae Toro, 1968 Leioproctus heterodoxus (Cockerell, 1916) Leioproctus hillieri (Cockerell, 1914) Leioproctus hirtipes (Smith, 1878) Leioproctus hobartensis (Cockerell, 1906) Leioproctus huakiwi Donovan, 2007 Leioproctus hudsoni (Cockerell, 1925) Leioproctus humerosus (Smith, 1879) Leioproctus ibanezii (Ruiz, 1944) Leioproctus ibex (Cockerell, 1914) Leioproctus ichneumonoides (Cockerell, 1906) Leioproctus idiotropoptera Packer, 2006 Leioproctus ignicolor Maynard, 1992 Leioproctus iheringi (Schrottky, 1910) Leioproctus illawarraensis (Rayment, 1954) Leioproctus imitator (Rayment, 1959) Leioproctus imitatus Smith, 1853 Leioproctus impatellatus Michener, 1965 Leioproctus incanescens (Cockerell, 1913) Leioproctus incomptus (Cockerell, 1921) Leioproctus inconspicuus Michener, 1989 Leioproctus insularis (Cockerell, 1913) Leioproctus irroratus (Smith, 1853) Leioproctus isabelae (Urban, 1995) Leioproctus jenseni (Friese, 1906) Leioproctus joergenseni (Friese, 1908) Leioproctus kalen Toro, 2000 Leioproctus kanapuu Donovan, 2007 Leioproctus keehua Donovan, 2007 Leioproctus kumarina Houston, 1990 Leioproctus labratus (Melo, 1996) Leioproctus lanceolatus Houston, 1990 Leioproctus lanhami Michener, 1965 Leioproctus laticeps (Friese, 1906) Leioproctus launcestonensis (Cockerell, 1914) Leioproctus leaena (Vachal, 1909) Leioproctus leai (Cockerell, 1913) Leioproctus leucostomus (Cockerell, 1917) Leioproctus longipalpus Houston, 1990 Leioproctus longipes (Jörgensen, 1912) Leioproctus lucanus Houston, 1990 Leioproctus lucidicinctus Houston, 1990 Leioproctus lucidulus (Cockerell, 1933) Leioproctus macmillani Houston, 1991 Leioproctus macrodontus (Rayment, 1935) Leioproctus maculatus (Rayment, 1930) Leioproctus malpighiacearum (Ducke, 1907) Leioproctus maorium (Cockerell, 1913) Leioproctus maritimus (Cockerell, 1936) Leioproctus mas Michener, 1965 Leioproctus mastersi (Cockerell, 1929) Leioproctus megachalceus (Cockerell, 1913) Leioproctus megachalcoides Michener, 1965 Leioproctus megadontus (Cockerell, 1913) Leioproctus melanocyaneus Toro, 1973 Leioproctus melanoproctus Michener, 1965 Leioproctus melanurus (Cockerell, 1917) Leioproctus melbournensis (Cockerell, 1910) Leioproctus metallescens (Cockerell, 1914) Leioproctus metallicus (Smith, 1853) Leioproctus microdontus (Cockerell, 1929) Leioproctus microsomus Michener, 1965 Leioproctus mimulus (Cockerell, 1910) Leioproctus minimus Michener, 1965 Leioproctus minor (Moure & Urban, 1995) Leioproctus minutus (Cockerell, 1916) Leioproctus missionica (Ogloblin, 1948) Leioproctus moerens (Vachal, 1909) Leioproctus moniliformis (Cockerell, 1916) Leioproctus monticola (Cockerell, 1925) Leioproctus morsus (Cockerell, 1907) Leioproctus mourei Toro, 1968 Leioproctus mourellus Michener, 1989 Leioproctus nanus (Smith, 1879) Leioproctus nasutus Houston, 1990 Leioproctus neotropicus (Friese, 1908) Leioproctus nicholsoni (Cockerell, 1929) Leioproctus nigrescens (Cockerell, 1929) Leioproctus nigriceps (Friese, 1916) Leioproctus nigrifrons Michener, 1965 Leioproctus nigritulus (Cockerell, 1916) Leioproctus nigroclypeatus (Cockerell, 1910) Leioproctus nigrofulvus (Cockerell, 1914) Leioproctus nigropurpureus (Rayment, 1935) Leioproctus nitidior (Moure, 1956) Leioproctus nitidulus (Cockerell, 1916) Leioproctus nomadiformis (Cockerell, 1921) Leioproctus nomiaeformis (Cockerell, 1930) Leioproctus nunui Donovan, 2007 Leioproctus obscuripennis (Cockerell, 1905) Leioproctus obscurus (Smith, 1853) Leioproctus opacior (Cockerell, 1936) Leioproctus opaculus (Cockerell, 1929) Leioproctus orientalis (Vachal, 1904) Leioproctus ornatissimus (Cockerell, 1916) Leioproctus otautahi Donovan, 2007 Leioproctus paahaumaa Donovan, 2007 Leioproctus pachyodontus (Cockerell, 1915) Leioproctus pacificus Michener, 1965 Leioproctus pallidicinctus (Rayment, 1953) Leioproctus pallidus (Moure & Urban, 1995) Leioproctus pallidus (Cockerell, 1915) Leioproctus palpalis (Ducke, 1908) Leioproctus pampeanus (Urban, 1995) Leioproctus pango Donovan, 2007 Leioproctus pappus Houston, 1989 Leioproctus paraguayensis (Schrottky, 1907) Leioproctus pavonellus (Cockerell, 1929) Leioproctus pekanui Donovan, 2007 Leioproctus penai Toro, 1970 Leioproctus perezi Toro, 1970 Leioproctus perfasciatus (Cockerell, 1906) Leioproctus perminutus (Cockerell, 1929) Leioproctus perpolitus (Cockerell, 1916) Leioproctus persooniae (Rayment, 1950) Leioproctus peruvianus (Cockerell, 1926) Leioproctus phanerodontus (Cockerell, 1929) Leioproctus pharcidodes (Moure, 1954) Leioproctus phillipensis (Rayment, 1953) Leioproctus philonesus (Cockerell, 1929) Leioproctus platycephalus (Cockerell, 1912) Leioproctus plaumanni Michener, 1989 Leioproctus plautus Maynard, 1991 Leioproctus plebeius (Cockerell, 1921) Leioproctus plumosellus (Cockerell, 1905) Leioproctus plumosus (Smith, 1853) Leioproctus prolatus Maynard, 1994 Leioproctus providellus (Cockerell, 1905) Leioproctus providus (Smith, 1879) Leioproctus proximus (Rayment, 1935) Leioproctus pruinosus Michener, 1989 Leioproctus pseudozonatus (Moure, 1954) Leioproctus punctatus (Smith, 1853) Leioproctus purpurascens (Cockerell, 1914) Leioproctus purpureus (Smith, 1853) Leioproctus pusillus (Cockerell, 1929) Leioproctus raymenti Michener, 1965 Leioproctus rectangulatus (Cockerell, 1910) Leioproctus recusus (Cockerell, 1921) Leioproctus regalis (Cockerell, 1921) Leioproctus rejectus (Cockerell, 1905) Leioproctus rhodopus (Cockerell, 1914) Leioproctus rhodurus Michener, 1965 Leioproctus roseoviridis (Cockerell, 1905) Leioproctus rubellus (Smith, 1862) Leioproctus ruber Toro, 1970 Leioproctus rubiginosus (Dalla Torre, 1896) Leioproctus rubriventris (Friese, 1909) Leioproctus rudis (Cockerell, 1906) Leioproctus rudissimus (Cockerell, 1929) Leioproctus ruficaudus Michener, 1965 Leioproctus ruficornis (Smith, 1879) Leioproctus rufipennis (Cockerell, 1917) Leioproctus rufipes (Cockerell, 1929) Leioproctus rufiventris (Spinola, 1851) Leioproctus rufoaeneus (Friese, 1924) Leioproctus rugatus (Urban, 1995) Leioproctus saltensis (Friese, 1908) Leioproctus scitulus (Cockerell, 1921) Leioproctus semicyaneus (Spinola, 1851) Leioproctus semilautus (Cockerell, 1905) Leioproctus semilucens (Cockerell, 1929) Leioproctus semipurpureus (Cockerell, 1905) Leioproctus semiviridis (Cockerell, 1930) Leioproctus sexmaculatus (Cockerell, 1914) Leioproctus seydi (Strand, 1910) Leioproctus sigillatus (Cockerell, 1914) Leioproctus similior Michener, 1965 Leioproctus simillimus (Smith, 1879) Leioproctus simplicicrus Michener, 1989 Leioproctus simulator Michener, 1965 Leioproctus singularis (Rayment, 1935) Leioproctus spathigerus Michener, 1989 Leioproctus speculiferus (Cockerell, 1921) Leioproctus spegazzini (Jörgensen, 1912) Leioproctus stewarti (Rayment, 1947) Leioproctus stictus (Moure, 1954)