Hydrometra stagnorum (Linnaeus, 1758)

Cianferoni, Fabio, 2019, Review of the aquatic Hemiptera from Cephalonia, with a checklist for the Ionian Islands, Greece (Heteroptera: Gerromorpha, Nepomorpha, Leptopodomorpha), Zootaxa 4576 (1) : -

Hydrometra stagnorum (Linnaeus, 1758)

Material examined. Tzanata, stream, ca. 90 m a.s.l., 38.15069° N 20.73826° E (WGS84; uncertainty = 100 m), 23.VII.2018, F. Cianferoni, F. Graziani, F. Ceccolini leg., 4 ♂♂, 1 ♀ brach., CFCF; Kateleios, stream, 35 m a.s.l., 38.07759° N 20.75291° E ( WGS84 ; uncertainty = 15 m), 25.VII.2018, F. Cianferoni, F. Graziani, F. Ceccolini leg., 3 ♂♂, 3 ♀♀ brach., CFCF ; Agios Nikolaos, Limni (= lake) Avithos, 290 m a.s.l., 38.17134° N 20.71032° E ( WGS84 ; uncertainty = 10 m), 26.VII.2018 , F. Cianferoni, F. Graziani, F. Ceccolini leg., 1 ♂, 3 ♀♀, 2 V instar nymphs, CFCF ; Poros, Vohinas stream, residual pond, 2 m a.s.l., 38.15157° N 20.77317° E ( WGS84 ; uncertainty = 10 m), 26.VII.2018, F. Cianferoni, F. Ceccolini, F. Graziani leg., 2 ♂♂, 2 ♀♀, CFCF .

General distribution. This is a Turano-Europeo-Mediterranean species, also reaching northern Europe (see Andersen 1995, Kanyukova 2006).

Remarks. This is the first record of this species from Cephalonia.