Chelifera trapezina (Zetterstedt, 1838)

Hemerodromia trapezina Zetterstedt, 1838: 543 .

Material examined. Portugal: 1 ♂, 1 ♀, 21.VIII.2023, Guarda, Manteigas, São Pedro (Covão da Ametade, Parque Natural da Serra da Estrela), 40°19'42.2"N, 7°35'17.4"W; 1 ♂, 1 ♀, 17.VII.2023, Viana do Castelo, Melgaço, Castro Laboreiro e Lamas de Mouro (Parque Nacional da Peneda-Gerês), 41°59'25.0"N, 8°09'32.9"W; 1 ♂, 21. VI.2015, Bragança, Vinhais, Tuizelo (Parque Natural de Montesinho), 41°54'20.3"N, 7°01'47.4"W; 2 ♂, 1 ♀, 26. VI.2023, Vila Real, Montalegre, Pitões das Júnias (Parque Nacional da Peneda-Gerês), 41°49'48.7"N, 7°57'01.3"W; ibidem: 6 ♂, 2 ♀, 27. VI.2023, 12 ♂, 7 ♀, 28. VI.2023; all leg. RA.

Remarks. The species is widely distributed and often abundant in streams and small rivers in Northern and Central Europe; in Central Europe there is usually one generation per year (univoltine). New for Portugal.