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nigrocaudata Pérez, 1901
Xylocopa nigrocincta Smith, 1854
Xylocopa nigroclypeata Rayment, 1935
Xylocopa nigroplagiata Ritsema, 1876
Xylocopa nigrotarsata...
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nigrocaerulea Timberlake, 1954
Perdita nigrocincta Timberlake, 1958
Perdita nigroclypeata Timberlake, 1964
Perdita nigronotata Timberlake, 1964
Perdita nigroviridis...
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southern Asia)
Amegilla nigritarsis (Friese, 1905) (Africa)
Amegilla nigroclypeata (Friese, 1909) (Africa)
Amegilla nigropilosa (Friese, 1896) (Africa)...
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Andrena nigrocaerulea ****erell, 1897 –
black and blue
miner bee
Andrena nigroclypeata Linsley, 1939
Andrena nigrocyanea Saunders, 1908
Andrena nigroolivacea...
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micromaculata Wei, 1998 g
Pachyprotasis nanlingia Wei, 2006 g
Pachyprotasis nigroclypeata Wei, 1998 g
Pachyprotasis nigronotata Kriechbaumer, 1874 g Pachyprotasis...
- 2000 i c g ****emnestra
nigritula R. Bohart, 2000 i c g ****emnestra
nigroclypeata (****wski, 1997) i c g ****emnestra
noumeae (Ohl, 2002) i c g ****emnestra...
