Chelostoma (Chelostoma) diodon Schletterer, 1889 *

Distribution: EAST MEDITERRANEAN: North-eastern Mediterranean, Iran (Müller 2021).

Material examined. N. Lebanon: South of Jairoun, 1648 m, 23.V.2012, 1♂, leg. Kasparek M., coll. MKAS ; Tannourine El Tahta, Wadi Ain El Raha, 900 m, 1♂, 18.IV.2017, leg. Boustani M.; Arz Tannourine, 1706 m, 7.VI.2017, 1♀, leg. Boustani M.; Tannourine El Tahta, Wadi Al Fouar, 1187 m, 22.V.2018, 1♀, leg. Boustani M.; Tannourine El Tahta, Mar Boutrous, 1207 m, 5.V.2019, 1♂, leg. Boustani M.; Arz Tannourine Gate, 1796 m, 11.V.2019, 1♂, leg. Boustani M., all coll. MBOU .

Flower records. Asteraceae: Carduus argentatus .