Hylaeus (Nesoprosopis) pectoralis Förster, 1871

Hylaeus pectoralis Förster, 1871: 972, ♀ (type locality: unknown); Proshchalykin & Dathe 2012: 23.

Material examined. Altaiskiy Territory: 2 ♀, 30 km S Kur’ya, Savvushka, 31.VII–1.VIII.2007, SAB (ZISP). Distribution in Siberia. Tomsk Province, Kemerovo Province, *Altaiskiy Territory, Khakassia Republic. General distribution. Transpalaearctic, but because of its specific ecological requirements is only locally recorded from the Pyrenees to Japan; missing in southern Europe, north to 61° in Finland.