Chelostoma (Gyrodromella) nasutum Pérez, 1895

Müller, Andreas, 2015, Palaearctic Chelostoma bees of the subgenus Gyrodromella (Megachilidae, Osmiini): biology, taxonomy and key to species, Zootaxa 3936 (3), pp. 408-420 : 417-418

Chelostoma (Gyrodromella) nasutum Pérez, 1895

Chelostoma nasutum Pérez, 1895: 20 . Type material: Lectotype ♀, by designation of G. van der Zanden, “Ze’niet” ( Algeria), Muséum National d’Histoire Naturelle Paris.

Eriades truncatus Friese, 1897: 193 . Type material: Lectotype ♂, by designation of G. van der Zanden, “ Algier ” ( Algeria), Museum für Naturkunde Berlin. Synonymy in Benoist (1928).

New records. BULGARIA: Stara Kresna, 27.5.1987. FRANCE, Alpes-Maritimes: Le Bar-sur-Loup, 18.5.1989; Bouches-du-Rhône: Col de l'Espigoulier; 14.6.1994; Drôme: Crest, Beaufort sur Gervanne and l'Ansage, 12.– 22.7.1993; Gard: Mas Méjean, 29.5.1952; Lozére: Vebron, 19.6.1989; Nozières, 8.6.1989. GREECE, Attica: Mt. Parnes N of Athens, 17.4.1977; Central Greece: Lamia, 9.6.1964; Delphi, 29.4.1980, 23.4.1983, 9.5.2005; Bralos, 30 km S of Lamia, 10.5.2005; Efpalio Mts. N Sergoula, Phokis, 4.6.2005; Parnassos S of Fterolaka, Phthiotis, 30.5.2009; Vardoussia Mts. N of Krokilio, Phokis, 5.6.2009; Cephalonia: Enos Oros, 5.6.1990; Peloponnes: Kalavryta, Mt. Chelmos, Kataphygien, 27.6.– 2.7.1960; Road Alea to Psari, Argolis, 21.5.1986; Achaia, monastery Megaspileon, 31.5.1993; Parnon Mts., 12km SE of Agios Petros, Lakonia, 6.6.1993; Nemea, 22.4.1995; Mavromati, Ithome, 8.5.1995; Troizen, Adheres Mts., 9.5.1996, 29.4.2000; Oros Killini, Ano Trikala, 27.5.– 23.6.1996; Michas, Erymanthos Mts., 23.6.1995, 24.6.1998; Epidauros, 5.7.1996; Oros Parnon, Agios Petros, 17.6. 1996, 28.5.1997; Taygetos Mts., Torzia, 14.6.1996, 21.– 22.5.1997, 7.6.1998; Oros Helmos, Xerokambos, 10.6.1997, 4.7.2007; Kernitsa near Diakofto, 4.5.1998; Kotili, Likeo Mts., 1.6.1998; Taygetos Mts., Pigadia, Langada pass, 4.6.1998; Argos, Larissa Mts., 12.4.2000; Mykene, 25.4.2000; 12 km NNW of Sparta, 27.4.2005; Gortis near Atsiholos, Arkadia, 7.5.2000; Andritsena, Vassae, 10.5.2000; Messené, 2.5.2001; Taygetos Mts., 30 km NWW of Sparta, 29.4.2005; 20 km S of Megalopolis, 1.5.2005; Richia Lambokambos, Lakonia, 10.5.2005; Taygetos Mts., 5–6 km NE of Amfia, 27.5.2005; Ano Dhiakopto, 22.5.2006; Vilia, Mt. Kitheron, 29.5.2006; Pamon Mts., Kanelia, Lakonia, 3.6.2006; Pamon Mts., Agios Joannis, Lakonia, 16.6.2006; Thessaly: Platania, Volos, 6.5.– 12.5.2002. ROMANIA: Cozla W of Turnu Severin, 26.5.2002. SPAIN, Cantabria: Picos de Europa, Fuente Dé 25km W of Potes, 30.6.1981; Palencia: Alba de los Cardanos, 3.7.1984. TURKEY, Hakkari: Semdinli, 12.6.1981.

Distribution. To the present knowledge, the distribution range of C. nasutum is split into four disjunct areas: i) northern Algeria, ii) southern France and northernmost Spain, iii) southeastern Europe ( Greece without Crete and the Aegean islands, Romania and Bulgaria), and iv) easternmost Turkey.

Pollen hosts. Oligolectic on Campanula (Campanulaceae) and possibly also closely related genera ( Sedivy et al., 2008; Ebmer, 2009). Flower records: Campanula topaliana ( Ebmer, 2009) .

Nesting biology. Unknown.