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And the last one. I wonder, if that helps with identification of the depicted above robber fly B)

8. Neomochtherus urartorum

Face, frons, vertex and the posterior surface of head covered in dense silver-whitish dust; occipital bristles, facial gibbosity bristles and “whiskers” are white; antennae basal segments yellow, covered with white and black hair; 3-d segment and arista black; its length is a bit less then the total length of two basal segments; arista longer then third segment.
Mesonotum in grey-yellowish dust, short black hair; hair after the transverse suture longer and white; median brown stripe reaches the scutellum, divided throughout its length by a narrow longitudinal strip of grey dust; scutellum with dense white hair.
Legs yellow, with white and black hair and bristles;; tarsus yellow, apically darkened or entirely dark brown.
Wings transparent; medial transverse vein located behind the middle of the discoid cell.
Abdomen in light grey dust and white hair; tergites marginal bristles also white.
Hypopygium red-brownish, with dense white hair; both halves of the epandrium from above in front of the apex with elongated rectangular lamellar platforms; gonopod basal segment elongated; distal segment of gonopod narrow, curved towards apex.
Ovipositor red-brownish, shiny; its length exceeds the length of the two preceding tergites combined.
Body length – 15-16 mm.
Ecology: The species is found in the deserts and slopes covered with upland xerophytic vegetation of middle Aras valley. Host: Euchorthppus pulvinatus, Hephathus sp., Euscelis plebejus, Microgaster sp., Nomioides sp.
Distribution: Transcaucasia