Panisus torrenticolus Piersig, 1898

Synonym: Thyas clypeolata Maglio, 1909

Type material: Unknown, possibly lost.

Type locality: Germany: Elbe River (Rathen), and Scheidebach River (Mittlere Erzgebirge, Annaberg-Buchholz (Piersig 1898).

Geographical distribution: Western Palaearctic (Valdecasas 1988).

Distribution in Portugal: Centre: Beira Litoral (Valdecasas 1988), in Fonte Fria, Mealhada, Buçaco mountain (Lundblad 1956).

Ecological notes: In streams; Larval insect hosts: Chironomidae dipterans.