Osmia (Hoplosmia) distinguenda (Tkalcu, 1974) *
Distribution: WEST PALAEARCTIC: Northern and eastern Mediterranean and east to Azerbaijan (Müller 2021).
Local distribution fig. 13.10
Material examined. Bekaa: Ainata, 2229 m, 29. VII.2018, 1♂, leg. Boustani M., coll. MBOU. Additional 1♀ from Der El Ahmar, 3. VII.2019, and 2♀, 4♂ from Jord Aarsal, 11. VII.2019.
Mount Lebanon: Barouk, Shouf Biosphere Reserve, 1678 m, 2.VII.2019, 1♂, leg. Van Achter X., coll. XVA ; Laqlouq, 1700 m, 2♀, 6.VII.2019, leg. Boustani M., coll. MBOU .
N. Lebanon: Arz Tannourine, Tannourine Reserve Trail 4, 1758 m, 22.VI.2017, 1♂, leg. Boustani M., coll. MBOU. Additional 20♀ and 4♂ from 18 records collected between 28.VI.2017 and 25.VII.2019, from Arz Tannourine, Fehta, Harissa, Hadath El Jebbe, and Tannourine El Tahta .
Flower records. Asteraceae: Centaurea argentea, Centaurea cf pallescens, Centaurea eryngioides, Centaurea iberica, Centaurea pallescens, Onopordum sp., Onopordum carduiforme, Picnomon acarna; Caprifoliaceae: Cephalaria setosa; Fabaceae: Medicago sp.; Plumbaginaceae: Acantholimon libanoticum .
Müller (2018) observes a strong preference for Asteraceae such as Centaurea that we also find, however flower visitations also include Dipsacaceae (species above now placed in Caprifoliaceae) and Plumbaginaceae flowers.