Hylaeus (Hylaeus) cardioscapus Сockerell, 1924 Hylaeus cardioscapus Сockerell, 1924: 276, ♀, ♂ (type locality: “Kudia-River, Siberia” [Primorskiy Territory, Russia]); Proshchalykin & Dathe 2012: 11. Material examined. Tomsk Province: 1 ♀, Tomsk, 1–2.VI.1901, Vyazemskij (ZISP); 1 ♀, Zavarzino, 23.VI.1901, Vyazemskij (ZISP); Kemerovo Province: 1 ♀, Tisul', 19.VII.1911, Gorchakovskij (ZISP); 2 ♀, 2 ♂, Berchikul' Lake 16–27.VII.1911, Gorchakovskij (ZISP); 3 ♀, Krapivinskii distr., Azhendarovo, 2.VIII.2009, SNY (KSU); 10 ♀, Tashtagolskii distr., Ust'-Anzas, 3.VIII.2010, SNY (KSU); Altaiskiy Territory: 1 ♀, Lebyazh'e Lake, 9–10.VIII.1948, M. Nikol'skaya (ZISP); 2 ♂, 8 km S Biisk, Ust'-Katun', 7.VII.2007, SAB (ZISP); 1 ♂, Biisk, 6.VII.2007, SAB (ZISP); 1 ♀, 30 km S Kur’ya, Savvushka, 31.VII–1.VIII.2007, SAB (ZISP); Altai Republic: 9 ♀, Turochakskii distr., Yailo, 3.IX.1998, E. Korneva (ZISP); 1 ♀, Chemal, 19–21.VII.2007, SAB (ZISP); 2 ♀, 1 ♂, NW edge of the Teletskoe Lake, Artybash, 24.VII.2007, SAB (ZISP); 1 ♀, 1 ♂, Ust'-Koksa, 18.VII.2013, MYP, VML; 3 ♂, 66 km SSE Ust’-Koksa, Ozernaya River, 29–30.VII.2013, MP, VL; 4 ♂, 80 km SSE Ust’-Koksa, Zaichikha River, 25–28.VII.2013, MP, VL (IBSS); Tyva Republic: 2 ♀, 25 km SE Erzin, Tes-Khem River, 5.VII.2013, MYP, VML (IBSS); 9 ♀, 13 ♂, 27 km SSW Erzin, Tore-Khol Lake, 30.VI–3.VII.2013, MYP, VML (IBSS); Khakassia Republic: 2 ♀, 3 ♂, Shira Lake, Zhemchuzhnyi, 1.VII.2014, MYP, VML (IBSS); 1 ♀, 50 km NWW Shira, Chernyi Iyus River, 4.VII.2014, MYP, VML (IBSS); Krasnoyarsk Territory: 1 ♂, Taseevo, 17.VI.1914, Varaksina (ZISP); 1 ♀, Magansk, 30.VI.2012, MYP, VML (IBSS); 1 ♀, 1 ♂, Berezovyi, 1.VII.2012, MYP, VML (IBSS); 1 ♀, 1 ♂, Krasnoyarsk, Bazaikha, 2.VII.2012, MYP, VML (IBSS); 6 ♀, Krasnoyarsk, Turbaza, 3.VII.2012, MYP, VML (IBSS). Distribution in Siberia. Tomsk Province, Kemerovo Province, *Altaiskiy Territory, Altai Republic, *Khakassia Republic, *Tyva Republic, *Krasnoyarsk Territory, Irkutsk Province, Zabaikalskiy Territory. General distribution. Transpalaearctic-Eurosiberian species; west to Austria, Germany, eastern Europe, to 63° N.

Published as part of Proshchalykin, Maxim Yu. & Dathe, Holger H., 2016, Additional records of the genus Hylaeus Fabricius, 1793 (Hymenoptera: Apoidea: Colletidae) from Siberia, with description of a new species, pp. 301-320 in Zootaxa 4105 (4) on page 306, DOI: 10.11646/zootaxa.4105.4.1, http://zenodo.org/record/267306