Lasioglossum (Lasioglossum) costulatum (Kriechbaumer, 1873) *

Distribution: WEST PALAEARCTIC (Pauly 2016b).

Notes: Ebmer (1988): Reported from Mt Hermon.

Material examined. Mount Lebanon: Barouk, Shouf Biosphere Reserve, 1678 m, 2. VII .2019, 2♂, det. Pauly A., leg. Van Achter X.; 1690 m, 4. VII .2019, 2♀, det. Pauly A., leg. Van Achter X., all coll. XVA .

N. Lebanon: Hadath El Jebbeh, Border of Cedar Forest, 1681 m, 22.VIII.2018, 1♀, det. Pauly A., leg. Boustani M., Jabbour J., coll. MBOU ; Hadath El Jebbeh, Al Fouar, 1468 m, 27.VI.2019, 1♀, det. Pauly A., leg. Van Achter X, coll. XVA .

Flower records. Asteraceae: Echinops viscosus; Campanulaceae: Campanula sp.; Convolvulaceae: Cuscuta sp.