Trichoniscoides sicoensis Reboleira & Taiti 2015

Trichoniscoides sicoensis Reboleira & Taiti, 2015 Figs 17–19; Table 1 Trichoniscoides sicoensis Reboleira & Taiti, 2015: 13, figs 7–9. Material examined PORTUGAL – Leiria • 1 ♂; Algar da Lagoa; 39.9279° N, 8.5247° W; 29 Dec. 2023; L.P. Da Silva leg.; LPS868 • 1 ♂; same data as for preceding; LPS869a • 1 ♂; same data as for preceding; JC1124 (ex. LPS870a). Remarks This species is characterized by a smooth integument (Fig. 17A), antennae with tubercles bearing scale-setae, and male pereopod 7 with sexual dimorphism (Table 1), merus bears a short process with a terminal spine in the middle of the sternal edge (Figs 17B, 18A). The male pleopod I endopod (Figs 17C, 18B) has a short triangular distal lobe, and the exopod (Figs 17D, 18C) is quadrangular with a rounded outer edge and lacks a notch at the base of the two unequal ciliated rami, with the internal ramus shorter and thinner than the external. The male pleopod II endopod (Figs 17E–F, 18D) has a distal segment 1.5× the length of the basal segment, terminating in a bifurcated and complex tip with two terminal spines, and the exopod (Fig. 18E) is trapezoidal, with a broadly rounded posterior internal tip. This is a troglobiotic species (Table 1). Distribution This Portugal endemic is known from the caves Gruta da Arrifana, Gruta da Senhora da Estrela, Gruta de São Simão, Gruta do Algarinho, Gruta do Soprador do Carvalho and Gruta da Cerâmica in Sicó Massif, and the district of Leiria (Reboleira et al. 2015; Fig. 19).