- Eucera acerba -- Melissodes acerba Cresson, 1879
- Eucera actuosa -- Melissodes actuosa Cresson, 1878
- Eucera aequata
- Eucera afghana
- Eucera albescens -- Synhalonia albescens Timberlake, 1969
- Eucera alborufa -- Macrocera clypeata Radoszkowski, 1893
- Eucera alfkeni
- Eucera algeriensis -- Eucera bicolor_homonym Lepeletier, 1841
- Eucera algira -- Eucera tenuimarginata Dours, 1873
- Eucera alopex
- Eucera alternans -- Macrocera alternans Brullé, 1832
- Eucera amoena -- Synhalonia amoena Zavortink, 1982
- Eucera amsinckiae -- Synhalonia amsinckiae Timberlake, 1969
- Eucera andreui
- Eucera angustifrons -- Synhalonia angustifrons Timberlake, 1969
- Eucera arachosiae
- Eucera aragalli -- Synhalonia frater argalli Cockerell, 1904
- Eucera argyrophila -- Tetralonia argyrophila Cockerell, 1909
- Eucera armeniaca -- Tetralonia armeniaca Morawitz, 1877
- Eucera atrata
- Eucera atricornis
- Eucera atriventris -- Melissodes atriventris Smith, 1854
- Eucera atroalba -- Tetralonia atroalba Pérez, 1895
- Eucera bakeri -- Synhalonia bakeri Timberlake, 1973
- Eucera barbiventris
- Eucera belfragei -- Melissodes belfragei Cresson, 1872
- Eucera bequaerti
- Eucera bidentata
- Eucera birkmanniella -- Tetralonia birkmanniella Cockerell, 1906
- Eucera biscrensis -- Tetralonia biscrensis Alfken, 1933
- Eucera brevitarsis
- Eucera caerulescens
- Eucera californica -- Melissodes californica Cresson, 1878
- Eucera carinata -- Tetralonia venusta carinata Timberlake, 1961
- Eucera carolinensis
- Eucera caspica -- Eucera albopunctulata Dours, 1873
- Eucera cassandra -- Eucera (Macrocera) cassandra Nurse, 1904
- Eucera cercidis -- Synhalonia cercidis Timberlake, 1969
- Eucera chinensis -- Tetralonia chinensis Smith, 1854
- Eucera chrysobotryae -- Tetralonia chrysobotryae Cockerell, 1908
- Eucera chrysophila -- Tetralonia chrysophila Cockerell, 1914
- Eucera chrysopyga -- Eucera chrysopyga Pérez, 1879
- Eucera cineraria -- Eucera concinna Gribodo, 1873
- Eucera cinnamomea
- Eucera clypeata -- Eucera similis Lepeletier, 1841, not sensu auct
- Eucera codinai
- Eucera collaris -- Eucera notata var inermis Friese, 1922
- Eucera commixta -- Tetralonia (Macrocera) nigrifacies_homonym Dours, 1873
- Eucera conditi -- Synhalonia conditi Timberlake, 1969
- Eucera conformis -- Synhalonia conformis Timberlake, 1969
- Eucera cordleyi -- Synhalonia cordleyi Viereck, 1905
- Eucera cuniculina -- Eucera pumila Klug, 1845
- Eucera curvitarsis
- Eucera cypria -- Eucera tuberculata var cypria Alfken, 1933
- Eucera dalmatica -- Eucera robusta Bär, 1850
- Eucera deceptrix
- Eucera decipiens
- Eucera decolorata -- Eucera pardonis Strand, 1926, replacement name
- Eucera delphinii -- Synhalonia delphinii Timberlake, 1969
- Eucera diana
- Eucera digitata
- Eucera dimidiata -- Eucera dizona Dours, 1872
- Eucera discoidalis
- Eucera distincta
- Eucera distinguenda -- Tetralonia distinguenda Morawitz, 1875
- Eucera dorsata -- Synhalonia dorsata Timberlake, 1969
- Eucera douglasiana -- Tetralonia douglasiana Cockerell, 1906
- Eucera dubitata -- Melissodes dubitata Cresson, 1878
- Eucera ebmeri -- Eucera (Rhyteucera) ebmeri Risch, 1999
- Eucera edwardsii -- Melissodes edwardsii Cresson, 1878
- Eucera elongatula
- Eucera eucnemidea
| - Eucera excisa
- Eucera fasciata -- Eucera (Pileteucera) fasciata Risch, 1999
- Eucera fasciatella
- Eucera fedtschenkoi
- Eucera ferghanica
- Eucera ferruginea
- Eucera flavicornis
- Eucera floralia -- Tetralonia floralia Smith, 1854
- Eucera frater -- Melissodes frater Cresson, 1878
- Eucera friesei
- Eucera fulvitarsis -- Melissodes fulvitarsis Cresson, 1878
- Eucera fulviventris -- Tetralonia fulviventris Smith, 1854
- Eucera fulvohirta -- Melissodes fulvohirta Cresson, 1878
- Eucera furfurea
- Eucera gaullei
- Eucera genofevae
- Eucera gracilipes
- Eucera graeca
- Eucera grandis -- Macrocera grandis Fonscolombe, 1846
- Eucera hamata -- Tetralonia hamata Bradley, 1942
- Eucera helvola
- Eucera hermoni
- Eucera hirsuta
- Eucera hirsutissima -- Tetralonia hirsutissima Cockerell, 1916
- Eucera hispaliensis
- Eucera hispana
- Eucera hungarica
- Eucera hurdi -- Synhalonia hurdi Timberlake, 1969
- Eucera ignota -- Synhalonia ignota Timberlake, 1969
- Eucera illinoensis -- Synhalonia illinoensis Robertson, 1902
- Eucera intermedia -- Melissodes intermedia Cresson, 1872
- Eucera interrupta -- Eucera semistrigosa Dours, 1873
- Eucera jacoti -- Tetralonia chinensis var jacoti Cockerell, 1930
- Eucera kilikiae
- Eucera kullenbergi
- Eucera kyrenaica -- Eucera melanoscopa Gribodo, 1924
- Eucera lanata
- Eucera lanuginosa
- Eucera latipes
- Eucera laxiscopa
- Eucera lepida -- Melissodes lepida Cresson, 1878
- Eucera longicornis -- Apis longicornis Linnaeus, 1758
- Eucera lucasi -- Tetralonia lucasi Gribodo, 1893
- Eucera lunata -- Synhalonia lunata Timberlake, 1969
- Eucera lutziana -- Tetralonia lutziana Cockerell, 1933
- Eucera lycii -- Synhalonia lycii Cockerell, 1897
- Eucera maroccana -- Tetralonia maroccana Dusmet y Alonso, 1928
- Eucera mastrucata -- Tetralonia mastrucata Morawitz, 1875
- Eucera matalae
- Eucera mauritaniae
- Eucera maxima
- Eucera mediterranea
- Eucera melanocephala
- Eucera metallescens -- Tetralonia metallescens Morawitz, 1888
- Eucera microsoma
- Eucera minulla
- Eucera mohavensis -- Synhalonia mohavensis Timberlake, 1969
- Eucera monozona -- Synhalonia monozona Timberlake, 1969
- Eucera monticola
- Eucera moricei
- Eucera nigrescens -- Eucera subrufa Lepeletier, 1841
- Eucera nigrifacies -- Eucera caucasica Morawitz, 1874
- Eucera nigrilabris -- Eucera canescens Dours, 1873
- Eucera nigripes
- Eucera nigrita
- Eucera nipponensis -- Tetralonia nipponensis Pérez, 1911
- Eucera nitidiventris
- Eucera notata
- Eucera numida -- Eucera africana Lepeletier, 1841
- Eucera obliterata -- Eucera obliterata Pérez, 1896
- Eucera occidentalis
- Eucera okinawae -- Tetralonia okinawae Friese, 1909
| - Eucera oraniensis
- Eucera oreophila
- Eucera pagosana -- Tetralonia pagosana Cockerell, 1925
- Eucera pallidihirta -- Synhalonia pallidihirta Timberlake, 1969
- Eucera pannonica
- Eucera paraclypeata
- Eucera parnassia
- Eucera pekingensis -- Eucera fedtschenkoi pekingensis Yasumatsu, 1946
- Eucera penicillata
- Eucera phaceliae -- Tetralonia phaceliae Cockerell, 1911
- Eucera pici
- Eucera pitalomasa -- Tetralonia pitalomasa Dover, 1925
- Eucera polita
- Eucera pollinaris -- Apis pollinaris Kirby, 1802
- Eucera polychroma -- Tetralonia polychroma Cockerell, 1930
- Eucera pomeranzevii -- Tetralonia pomeranzevii Morawitz, 1888
- Eucera pomona -- Eucera (Macrocera) pomona Nurse, 1904
- Eucera popovi
- Eucera primiveris -- Synhalonia primiveris Timberlake, 1969
- Eucera pseudeucnemidea
- Eucera punctatissima
- Eucera puncticollis
- Eucera punctissima
- Eucera punctulata
- Eucera pusilla
- Eucera pythagoras
- Eucera quadricincta -- Synhalonia quadricincta Timberlake, 1969
- Eucera quilisi -- Tetralonia quilisi Dusmet y Alonso, 1926
- Eucera rosae -- Synhalonia rosae Robertson, 1900
- Eucera ruficollis -- Macrocera ruficollis Brullé, 1832
- Eucera rufipes -- Eucera platyrhina Pérez, 1902
- Eucera salamita
- Eucera seminuda -- Eucera trivittata Brullé, 1832
- Eucera serraticornis
- Eucera sociabilis -- Eucera andreae Friese, 1910
- Eucera sogdiana
- Eucera spatulata
- Eucera speciosa -- Melissodes speciosa Cresson, 1878
- Eucera spectabilis -- Tetralonia spectabilis Morawitz, 1875
- Eucera speculifer
- Eucera spinipes
- Eucera spurcatipes
- Eucera squamosa -- Eucera rutila Pérez, 1895
- Eucera stretchii -- Melissodes stretchii Cresson, 1878
- Eucera suavis -- Melissodes suavis Cresson, 1878
- Eucera syriaca -- Eucera syriaca Dalla Torre, 1896
- Eucera taurica -- Eucera pulveracea Dours, 1873
- Eucera tegularis
- Eucera territella -- Synhalonia territella Cockerell, 1909
- Eucera texana -- Synhalonia texana Timberlake, 1969
- Eucera thoracica
- Eucera tibialis
- Eucera transitoria -- Tetralonia transitoria Morawitz, 1875
- Eucera tricincta -- Synhalonia tricincta asiae Tkalců, 1998
- Eucera tricinctella -- Synhalonia tricinctella Timberlake, 1969
- Eucera troglodytes
- Eucera truttae -- Synhalonia truttae Cockerell, 1905
- Eucera tuberculata -- Apis tuberculata Fabricius, 1793
- Eucera turcomannica -- Tetralonia turcomannica Morawitz, 1880
- Eucera vachali
- Eucera velutina -- Macrocera velutina Morawitz, 1873
- Eucera venusta -- Tetralonia venusta Timberlake, 1961
- Eucera vernalis -- Tetralonia vernalis Morawitz, 1875
- Eucera vidua -- Eucera bicincta Lepeletier, 1841
- Eucera virgata -- Synhalonia belfragei virgata Cockerell, 1905
- Eucera vittulata
- Eucera vulpes -- Eucera parvula Friese, 1896
- Eucera warnckei
- Eucera yunnanensis -- Tetralonia yunnanensis Wu, 2000
- Eucera zeta
- Eucera zonata -- Synhalonia zonata Timberlake, 1969
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