Limnesia (Limnesia) arevaloi Viets, 1918

Synonyms: Limnesia granulosa Walter, 1931; Limnesia martianezi Lundblad, 1962

Type material: Holotype one female (Viets 1918), Syntypes deposited in SMF, catalogue numbers 45385-2009- VIE/193, 45386-2010-VIE/193, 45387-2011-VIE/193 (GBIF 2022) .

Type locality: Spain (GBIF 2022): Valencia (Valdecasas 1988; Viets 1918).

Geographical distribution: Iberian Peninsula, Canary Islands, South France, Italy and North Africa (Gerecke et al. 2016).

Distribution in Portugal: South: Estremadura (Valdecasas 1988), in Sintra-Monserrate Park and Palace (Lundblad 1956).

Ecological notes: Freshwater, at temporary and small permanent waters (Gerecke et al. 2016; Viets 1918).

Limnesia (Limnesia) atlantica Lundblad, 1941

Type material: Holotype one male NHRS-GULI000089977, one female Allotype NHRS-GULI000089978, and one nymph type NHRS-GULI000089979 deposited at NRM (Pers. comm., G. Lindberg) .

Type locality: Portugal: Madeira Island (Lundblad 1941b) .

Geographical distribution: Portugal: Madeira Island (Borges et al. 2008; Hughes et al. 1998; Lundblad 1941b).

Distribution in Portugal: Madeira Island (Borges et al. 2008; Hughes et al. 1998).

Ecological notes: Freshwater environment (Borges et al. 2008; Hughes et al. 1998).

Limnesia (Limnesia) fulgida Koch, 1836

Type material: Unknown, possibly lost.

Geographical distribution: Holarctic (Gerecke et al. 2016; Smit & Van der Hammen 2000).

Distribution in Portugal: South: Alentejo, in Ribeira de Odivelas (Gerecke et al. 2016; Smit &Van der Hammen 2000).

Ecological notes: At standing freshwaters; larvae parasites of Chironomidae and Sphaeroceridae dipterans (Gerecke et al. 2016); present in plants, such as Batrachium spp., Myriophyllum spp., and Nymphea spp. (Lundblad 1956) .

Limnesia (Limnesia) iberica Lundblad, 1954

Type material: Holotype one male deposited in NRM, Lundblad No. Präp. 4478 (Lundblad 1954); Paratype: One female, Lundblad No. Präp. 4479 (Lundblad 1956).

Type locality: Portugal: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).

Geographical distribution: Portugal: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).

Distribution in Portugal: Centre: Beira Alta, in Santa Comba Dão (Lundblad 1954, 1956).

Ecological notes: Freshwater, at slow-moderate motion streams, on a sandy substrate; present in Carex spp. plants (Lundblad 1956).

Limnesia (Limnesia) maculata (Müller, 1776)

Synonym: Hydrachna maculata Müller, 1776 (original designation)

Type material: Unknown, possibly lost.

Type locality: Denmark or Norway (Müller 1776) .

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

Distribution in Portugal: South: Alentejo, in Ribeira de Odivelas (Lundblad 1956).

Ecological notes: Freshwater, at standing and temporary waters; present in plants, such as Batrachium spp., Myriophyllum spp., Nymphea spp. (Lundblad 1956); Deutonymph larvae parasites of insect-chironomids Trichoptera and Cladocera larvae (Böttger 1969; Gerecke et al. 2016).

Limnesia (Limnesia) manubriata Walter, 1928

Type material: Syntypes deposited at NHMB two male catalogue numbers NMB-ACWA 2815 and 2816, two female 2813 and 2814 and a deuteronymph 2812 .

Type locality: Algeria, in Kabylie, Agoulmine Temjout; and Tunisia, in Ajim, Djerba Island (Walter 1928) .

Geographical distribution: Portugal and North of Africa (Lundblad 1956; Valdecasas 1988; Walter 1928).

Distribution in Portugal: South: Estremadura (Valdecasas 1988), in Sintra-Monserrate Park and Palace (Lundblad 1956).

Ecological notes: Freshwater, at standing environments (Lundblad 1956).

Limnesia (Limnesia) walteri Migot, 1926

Type material: Syntypes: Deposited in SMF, catalogue numbers 45725-3914-VIE/210, 45724-3905-VIE/210, and 45723-3901-VIE/210 (GBIF 2022) .

Type locality: France: Banyuls-sur-Mer, Barrage de la Baillaury (Migot 1926), Spain (GBIF 2022).

Geographical Distribution: Russia, Southwestern Europe from Portugal to Greece, and North Africa, including the Sahara desert (Gerecke et al. 2016).

Distribution in Portugal: Centre: Beira Alta (Valdecasas 1988), in Santa Comba Dão, and Côa River, near 10 km to Vilar Formoso (Lundblad 1956).

Ecological notes: In standing freshwaters, characteristic of remnant pools in streams (Gerecke et al. 2016), and can be found at an altitude of 50 m (Migot 1926); clear water, on a sandy bottom, present in plants, e.g. grasses, Carex spp., Juncus spp. and Myriophyllum spp. (Lundblad 1956) .