Limnesia (Limnesia) acuminata Walter, 1925

Type material: Holotype one male catalogue number NMB-ACWA 2713 deposited at NHMB (Pers. comm, U. Wüest)

Type locality: Algeria: Jijel Province, Oued Nil (Walter 1925).

Geographical distribution: European (France, Iberian Peninsula and Italy) and North African Mediterranean area (Gerecke et al. 2016).

Distribution in Portugal: Centre: Beira Alta (in Santa Comba Dão, and Côa River, near 10 km to Vilar Formoso); South:Alentejo (in Ribeira de Odivelas, Ribeira do Roxo, and Guadiana River-between Serpa and Beja municipalities), Estremadura (in Colares-Sintra municipality) (Lundblad 1956; Valdecasas 1988).

Ecological notes: Freshwater, at standing and slow-flowing freshwater ecosystems (Gerecke et al. 2016), shaded and clear tributaries, on a sandy bottom; present in plants, such as grasses Azolla spp., Batrachium spp., Carex spp., Juncus spp., Myriophyllum spp., Nymphea spp., Scirpus spp. (Lundblad 1956) .