Hyadina rufipes (Meigen, 1830)

Hyadina rufipes (Meigen, 1830) View in CoL

Ephydra rufipes Meigen 1830: 126 View in CoL ; locus typicus not given [“von Hrn. von Winthem”]; LT ♀, des. by Cresson (1930) [NMW, Cresson 1930].

Ephydra nitida Macquart 1835: 539-540 View in CoL ; locus typicus not given [presumably France]; no information available about type material [MNHN, Mathis & Zatwarnicki 1995], synonymy by Mathis & Zatwarnicki (1995).

Notiphila (Philygria) guttata Fallén View in CoL b. brevicornis Stenhammar 1844: 240-241; type-locality: “ Ostrogothia ” [ Sweden]; ST 3♀ [MZLU & UZIU, Mathis & Zatwarnicki 1995], synonymy by Schiner (1864).

Diagnosis. Hyadina rufipes is an easily recognised species with inner and outer vertical setae developed, basal flagellomere orange ventrally and scutellum with velvet black markings at lateral edges (as Fig. 7 View Figs 5-13 ). Terminalia as Figs 32-34.

Distribution. Hyadina rufipes is quite common and widely distributed over Europe with records from the Canary Islands (Becker 1908 as nitida ) to the Republic of Mordovia, Russia (MacGowan et al. 2021). Records from Morocco (Vitte 1991 as nitida ) and southern Portugal (Stuke et al. 2023) indicate that there is no southern distribution border within Europe. However, H. rufipes is not recorded from Spain so far (Zatwarnicki 2002), only once recorded from Portugal and not recorded in Italy south of Veneto (Canzoneri & Vienna 2000). Most northern records of H. rufipes are from Finland at 68°N (GBIF 2023b). Outside from Europe H. rufipes is reported from Morocco (Vitte 1991 as nitida ) and Russia Far East ( Krivosheina 1986) only.

Biology. Hyadina rufipes can be found in all kinds of wetlands including salt influenced places, densely vegetated or bare margins of rivers or lakes, wet meadows, forests, or fens. Reasons for its occurrence or none occurrences at specific places are unknown and might be caused by specific bacteria in microhabitats we do not understand so far. Adults of H. rufipes occur from March to November with peaks in May and August. The species is polyvoltine and might overwinter as adult.