A preliminary catalogue of the Hymenoptera (Insecta) of the Republic of Djibouti Author Madl, Michael text Linzer biologische Beiträge 2018 2018-12-17 50 2 907 967 journal article 22470 10.5281/zenodo.3776452 a6105493-16c0-4533-a6e2-7ebe3330950d 0253-116X 3776452 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.