Hylaeus (Dentigera) gredleri FORSTER 1871
Creators: name: Özbek, Hikmet
name: Dathe, Holger H.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Colletidae
Hylaeus
Hylaeus gredleri

description: Hylaeus (Dentigera) gredleri FÖRSTER, 1871   
 Hylaeus gredleri FÖRSTER, 1871: 944–946, . Austria: Telfs/ Tirol.   
 Hylaeus (Dentigera) gredleri FÖRSTER, 1871. – ALIEV 1986: 264. DATHE et al. 2016: 17, 45.   
 Material examined: Ağrı: 10 km S, 1650 m, 26.07.2003, 6 , leg. H. Özbek; Cumaçay 1930 m, 23.07.1996, , leg. P. Rasmont (on Cirsium arvense vestitum); Hamur, 26.07.2003, 2 , leg. H. Özbek. Erzurum: 5 km SW, 27.07.2010, , leg. J. Ascher, H. Özbek; Atatürk University Campus, 2000 m, 11,07.2007, , leg. leg. Ros. Asch Özb, 18.08.1970, , leg. H. Özbek; Oltu, Başaklı, 1500 m, 20 km WSW of Oltu, 29°14N 41°48E, 03.07.2001, , 4 , leg. J.G. Rozen & H. Özbek (coll. AMNH); Başaklı, Karadağ, 2100 m, 24.07.2005, 2 , H. Özbek (on Eryngium creticum); Çamlıbel, 1750 m, 40.28.22N 41.46.35E, 11.07.2004, 3 , leg. H. Özbek; Pasinler, 5 km W of Pasinler, 10.07.2007, , leg. Ros. Asch Özbek (coll. AMNH). Hakkâri: Yüksekova, Esendere, 21.07.1998, , leg. C. Schmid-Egger. İzmir: Efes, 18.05.1992, 3 , 3 , leg. W.H. Liebig. Kars: Sarıkamış, Akkurt çeşmesi, 1550 m, 19.06.2004, , , leg. H. Özbek; Karakurt, 1501 m, 40°08N 42°21E, 05.08.2002, 3 , leg. H. Özbek (on Achillea millefolium L.). Kırşehir: Kulpak, 38°27N 34°14E, , 28.05.2001, , 02.06.2002, leg. W.H. Liebig. Konya: 25 km N, 11.06.1966, 2 , leg. HHF Hamann; Beyşehir, 13.06.1966, ; Dedegöl Dağı, 1400–1700 m, 15.06.1966, , leg. HHF Hamann. Kahramanmaraş: Göksun, 1400 m, 26.06.1987, 4 , leg. R. Hensen. Mersin: Mut 10 km S, 08.06.1966, , leg. HHF Hamann. Nevşehir: Avanos, 38°46N 34°54E, 25.05.2001, , leg. W.H. Liebig; Göreme, 1000 m, 09.07.1988, 3 , , leg. C. Schmid-Egger. Niğde: Yeniköy, 1370 m, 07.07.1995, , leg. Y. Barbier (on Euphorbia altissima); Karakışlakcı, 1240 m, 07.07.1995, 5 , 10 , leg. D. Flagothier, Y. Barbier (on Astrodaucus orientalis, Tortilis uranica).   
 Remarks: The available records suggest that H. gredleri occurs mainly in Eastern and Central Anatolia. It preferentially inhabits steppes, open shrubby habitats and forest margins from sea level to altitudes of 2000 m. The flight season extends from the end of May to the end of August, with a peak in June. Flowers visited: Achillea millefolium, Astrodaucus orientalis, Euphorbia altissima, Eryngium creticum, Tortilis uranica. The species is moderately recorded in Turkey (11 provinces).   
 Distribution: All Europe south to Sicily, up to 1500 m, Russia, and from western Morocco, Lebanon and Azerbaijan to Kazakhstan. Turkey: 11 provinces; older data are not usable as the species was previously mixed with H. brevicornis.
description: Published as part of Özbek, Hikmet & Dathe, Holger H., 2020, The bees of the genus Hylaeus FABRICIUS, 1793 of Turkey, with keys to the subgenera and species (Hymenoptera: Anthophila, Colletidae), pp. 273-346 in Beiträge Zur Entomologie = Contributions to Entomology 70 (2) on page 297, DOI: 10.21248/contrib.entomol.70.2.273-346, http://zenodo.org/record/5742898