Nomada obtusifrons Nylander 1848 Nomada obtusifrons Nylander 1848: 184, ♀ (type locality: Karelia, Finland); Nikiforuk 1957: 156; Osytshnjuk et al. 1978: 457; Sitdikov 1986: 105; Celary 1995: 33. Nomada mistura Smith 1851: CXXVII, ♂ (type locality: Weybridge, Great Britain). Nomada robertjeotiana var. alpina Morawitz 1867: 69, ♀ (type locality: St. Moritz, Oberengadin, Switzerland). Material examined. Russia. Leningrad Prov.: 1 ♀, 1 ♂, Pargolovo, 14.VII.1928 (Lebedev); Kirov Prov.: 2 ♂, Svecha, 22.VII.2002; Yaroslavl Prov.: 1 ♂, Bykovo 29.VII.1890, Jakovlev’s coll.; Ryazan Prov.: 1 ♂, Gremyachka, 10.VII.1913 (Semenov); Perm Terr.: 1 ♂, Kishert, 12.VII.1961 (Ponomareva); Irkutsk Prov.: 1 ♀, 2 ♂, Irkutsk (Yakovlev). Kazakhstan: 1 ♂, Solyanka River, 6.VIII.1950 (Rudolf) [ZIN, all are identified by M. Schwarz as Nomada obtusifrons]. Distribution. Russia (Fig. 2) [European part (Osytshnjuk et al. 1978), * Irkutsk Prov.], Kazakhstan, Slovenia, Switzerland, Austria, Bohemia, Slovakia, Poland, Ukraine, Hungary, Romania, Great Britain, Belgium, Denmark, Sweden, Finland (Celary, 1995), Germany (Schwarz et al. 1996). Hosts. Andrena coitana (Kirby), A. tarsata Nylander (Osytshnjuk et al. 1978).

Published as part of Yu, Maxim & Lelej, Arkady S., 2010, Review of the Nomada roberjeotiana species-group (Hymenoptera: Apidae) of Russia, with description of new species, pp. 1-15 in Zootaxa 2335 on page 8, DOI: 10.5281/zenodo.275503