Nomia walkeri DE DALLA TORRE, 1896
Nomia walkeri m.: DE DALLA TORRE 1896: 170 (replacement name for N. rufiventris WALKER, world cat. (Djibouti, not Egypt)).
Nomia walkeri DE DALLA TORRE, 1896: WARNCKE 1976: 114 (tax., type lost, not in BMNH).
Nomia walkeri DE DALLA TORRE, 1896: PAULY 1990: 172 (tax., not seen).
Nomia walkeri DE DALLA TORRE, 1896: PESENKO 1997: 502 (tax.).
* Nomia rufiventris n.sp.: WALKER 1871a: 44 (descr. ♀, Tadjoura).
Osmia rufiventris (WALKER, 1871): INNES BEY 1911: 105 (Tadjoura, cat. Lord Collection).
Nomia rufiventris WALKER, 1871: PESENKO 1997: 502 (tax.).
D i s t r i b u t i o n: Tadjoura.
Nomia walkeri, which is only known from Djibouti, is not mentioned in FRIESE (1909a) and EARDLEY & URBAN (2010). Nomia rufiventris WALKER, 1871 is a junior homonym of Nomia rufiventris SPINOLA, 1839 .