Billaea pectinata (Meigen, 1826)

Dexia pectinata Meigen, 1826:43 . [For further synonyms see Herting & Dely-Draskovits (1993)].

Diagnosis: Parafacial bare; facial carina well-developed, at least as wide as postpedicel in lateral view; arista including trichia distinctly narrower than postpedicel; prementum 2.0–2.5 times as long as wide; scutum with 4 presutural black vittae including two median narrow and two lateral semi-triangular vittae; scutellum orange; basicosta black; hind tibia with an irregular row of anterodorsal setae; abdominal tergite 3 with a pair of strong median marginal setae.

Material examined: 1♂ Chekab valley, 34°08′07.2″ N 50°15′56.1″E, 11.vi.2018, 2090 m, pan trap, E. Gilasian & M. Parchami-Araghi .

Distribution: ASIA: Tajikistan, Transcaucasia, Israel. EUROPE: widespread except for Scandinavia and British Isles. New record for Iran.