Hercostomus plagiatus (Loew, 1857)

Dawah, Hassan A., Ahmad, Syed Kamran, Abdullah, Mohammed A. & Grichanov, Igor Ya., 2020, The family Dolichopodidae (Diptera) of the Arabian Peninsula: identification key, an updated list of species and new records from Saudi Arabia, Journal of Natural History 54 (21 - 22), pp. 1425-1454 : 1440-1441

Hercostomus plagiatus (Loew, 1857)

( Figure 4B )

Specimens examined

1♂, Asir, Abha , Hay Al-Nusub (Abha Farm Centre), 19 .vi .–9.vii.2014, Malaise trap, H.A. Dawah ( CERS) .

Distribution

This is the first record from Saudi Arabia. The species was described from Austria and further recorded from Algeria, Tunisia and Europe (widespread) ( Kechev 2017; Grichanov 2017a).

Remarks. The biology is unknown. This species was found in a range of wetlands including fens, damp wood and coastal locations; larvae may be semi-aquatic predators ( Falk and Crossley 2005).

Figures

Figure 4. Dolichopodid species habitus: a – Argyrochlamys cavicola (Parent); b – Hercostomus plagiatus (Loew); c – Tachytrechus brittoni Grichanov; d – Tachytrechus notatus (Stannius).