Ljania bipapillata Thor, 1898

Type material: Holotype (Thor 1898a), possibly not deposited in any scientific collection.

Type locality: Denmark: Kristiania, nowadays Oslo (Thor 1898a) .

Geographical distribution: Holarctic (Gerecke et al. 2016).

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

Ecological notes: Present on low-order small rivers, including stream rheocrenes; Larval insect hosts: Chironomidae dipterans (Gerecke et al. 2016). In Portugal, this species was found on a cold cascade staircase, together with platyhelminth Crenobia alpina (Lundblad 1956) .