Hyadina minima (Papp, 1975)

Hyadina minima (Papp, 1975) View in CoL

Lytogaster minima Papp 1975: 214-215 View in CoL ; type-locality: “ Pest, fűvészkert (= botanical garden), tópart (=lakeshore)” [ Hungary]; HT 3 [HNHM, Papp 1975].

Hyadina borkumensis Stuke 2020: 48-49 View in CoL ; type-locality: “ Niedersachsen, Leer   GoogleMaps , Borkum   GoogleMaps , Primärdünen   GoogleMaps und Dünentäler, Nordweststrand ”, “ 53.598°N 6.662°E ” [ Germany]; HT ♀ [ZMHB, Stuke 2020], synonymy by Zatwarnicki (2022).

Diagnosis. Due to the lack of any velvet black on the scutellum (as Fig. 5 View Figs 5-13 ) only to be confused with H. pollinosa . Hyadina minima is easily recognised by the short R 2+3 ( Fig. 9 View Figs 5-13 ) with costal index I ≈ 0.5. Terminalia as Figs 24-26 View Figs 20-27 .

Distribution. Hyadina minima is a rare species with three known locations from Germany (Bährmann 2009, Stuke & Bährmann 2013, Stuke 2020, 2023), the locus typicus in Hungary (Papp 1975) and one location in Czech Republic (Zatwarnicki 1991, 2022).

Biology. Hyadina minima is a halobiont species and has been caught in wetlands with places hardly vegetated. Most records are from inland salt places, but it occurs at the coast in wet dune valleys as well. Adults occur from April to July which might indicate several generations.