Chelostoma ( Chelostoma ) edentulum Pérez, 1895

Müller, Andreas, Pisanty, Gideon & Dorchin, Achik, 2025, Western Palaearctic Chelostoma bees of the subgenus Chelostoma (Megachilidae, Osmiini): biology, taxonomy and key to species, Zootaxa 5717 (3), pp. 329-369 : 333-334

Chelostoma ( Chelostoma) edentulum Pérez, 1895

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 Type material: Lectotype ♀, by designation of G. van der Zanden (unpublished), “Alger” ( Algeria), Muséum National d’Histoire Naturelle Paris.

Literature records. MOROCCO: Fès-Meknès, Marrakesh-Safi, Tanger-Tétouan-Al Hoceima, Souss-Massa ( Lhomme et al. 2020). PORTUGAL: Algarve, Baixo Alentejo , Beja ( Ortiz-Sánchez et al. 2008; Baldock et al. 2018). SPAIN: Almeria , Cáceres , Córdoba , Granada, Madrid, Murcia, Sevilla ( Ortiz-Sánchez et al. 2008; Torres et al. 2012; Catarineu & Ortiz-Sánchez, 2023).

New records. ALGERIA: Batna: Aurès, Menaa, 1200 m, 26.4.1986, 1♀, 1♂ (leg. Gentmeier); Biskra: Biskra, 4.1.1904, 3♀ (leg. Meyer); Chlef: Ech Cheliff,?, 1♂ (leg.?); Mila: Oulad Aziz, 36°27′N 6°16′E, 22.4.– 10.5.2013, 15♀ (leg. Abderrezak); Saïda: 8 km NO Ain Ouarka, 6.4.1983, 1♀ (leg. R. Leys, P. van der Hurk); Sidi Bel Abbès: 23 km NE Ras el Ma, 26.4.1983, 1♀ (leg. H. Teunissen). MOROCCO: Casablanca-Settat: Oueled Sghir, 32.8379°N / 7.6216°W, 507 m, 27.3.– 28.3.2018, 1♂ (leg. A. Sentil, I. El Abdouni); Fès-Meknès: 15 km SE Sefrou, 26.5.1995, 2♀ (leg. M. Halada); Marrakesh-Safi: 30 km SW Asni, 31°03′N / 8°06′W, 22.4.1996, 2♀ (leg. J. Gusenleitner); Oriental: Guercif, 2 km S Debdou, 1500 m, 33.9495°N / 3.0524°W, 11.5.2022, 1♀ (leg. T. Wood); Rabat-Salé- Kénitra: Haddada, 34.1283439°N / 6.5592276°W, 125 m, 11.3.2019, 1♂ (leg. L. Hamroud, P. Lhomme); Souss-Massa: Taourirt Ouazzal, 13 km ENE Tafraoute, 29°46.497′N / 8°51.581′W, 1390 m, 22.4.2019, 1♀ (leg.A. Müller); Tanger-Tétouan-Al Hoceima: Jebel Dehedouh, 5 km SW Ketama (Rif Mts.), 1750 m, 6.6.1992, 1♂ (leg. H. de Jong). PORTUGAL: Faro: Algarve, Sao Braz de Alportel , 19.4.1987, 1♀, 1♂ (leg. J. Teunissen). SPAIN: Alicante : Alcoy, Benifallim, 900 m, 5.2.2000, 1♀ (leg. E. Scheuchl); Almeria : Andalucia, Nijar, 36°59′0′′N / 2°14′06′′W, 23.5.2018, 1♀ (leg. J. Smit); Barcelona : Papiol, 27.3.2010, 1♂ (leg.?); Cataluna: Aldover, 6 km N Tortosa, 4.5.2000, 1♀ (leg. E. Scheuchl); Granada: Lanjaron, S Sierra de Nevada, 4.5.2003, 1♀ (leg. M. Halada); Huelva: El Rocio, Coto Doñana National Park, 37°07′13′′N / 6°26′′38’’W, 6.4.2003, 2♀, 2♂ (leg. S. Roberts); Huesca: Manzon, 22.4.1984, 1♀ (leg. H. Teunissen); Madrid: Rivas-Vaciamadrid, Canal de Manzanares to Camino de Uclés, 40.3217°N / 3.5633°W, 19.5.2021, 1♀ (leg. T. Wood); Málaga : Yunquera, 40 km W Malaga , 29.4.2003, 1♀, 1♂ (leg. J. Halada); Murcia: 7 km SSE Puerto Lumbreras, 4.4.2010, 1♀, 1♂ (leg. P. Bogusch, J. Habermannova, J. Straka); Saragossa : Belchite, 40 km SSE Saragossa , 41.18°N, 0.44°W, 4.4.1999, 1♀, 1♂ (leg. C. Schmid-Egger); Sevilla : Aznalcazar, 25 km SWW Sevilla , 37.302°N / 6.260°W, 8.4.2010, 1♀, 6♂ (leg. C. Schmid-Egger); Tarragona: Ulldemolins, 30.5.1985, 1♀ (leg. Schmidt). TUNISIA: Gabès: 50 km W Matmata, 33.33°N / 9.25°E, 21.3.2001, 1♀ (leg. C. Saure); Gafsa: Gafsa, 5.4.2001, 4♀ (leg. M. Halada); Jendouba:Ain Soitane, 9.5.2006, 1♂ (leg. P. Kresl); Kasserine: Sbeitla, 12.4.1998, 1♀ (leg. K. Denes); Kebili: Jemna, 33°35′493′′N / 9°00′507′′E, 30.3.2008, 1♀ (leg. P. Bogusch); Médenine: Djouama, 33.15°N / 10.16°E, 26.3.2001, 1♀ (leg. C. Schmid-Egger); Nabeul: Hammamet, 15.3.1996, 1♂ (leg. K. Denes); Sidi Bouzid: Sidi Bouzid, 12.4.1999, 2♀ (leg. K. Denes); Sousse: M›saken, 20.4.– 21.4.1998, 1♀ (leg. K. Denes); Tataouine: Ksar Hadada, 4.4.1998, 2♀, 2♂ (leg. K. Denes).

Distribution. Iberian Peninsula ( Portugal, Spain), Maghreb ( Algeria, Morocco, Tunisia).

Pollen hosts. Oligolectic on Brassicaceae ( Sedivy et al. 2008) .

Nesting biology. Unknown. A female was observed to collect mud on the ground (I. Cross, personal communication).