Figs 1–8 in The Nemesia trapdoor spider fauna of the Maltese archipelago, with the description of two new species (Araneae, Mygalomorphae, Nemesiidae)

Figs 1–8. Characters reported to distinguish N. arboricola Pocock, 1903 from N. macrocephala Ausserer, 1871 in Kritscher (1994). 1–4. N. arboricola; represented by two specimens (TC.016, NHMR, Figs 1 & 3, specimen collected from an arboreal-nest; TC.017, NHMR, Figs 2 & 4, specimen collected from a terrestrial nest). 5–8. N. macrocephala; represented by two specimens (Isaia.046, Figs 5 & 7 and Isaia.047, Figs 6 & 8), both collected from terrestrial nests near the type locality, Palermo, Sicily. 1–2, 5–6. Comparative eye-formations. Note the overlap and variation in distances between ALE and PLE (ALE–PLE N. arboricola ranges between 0.10–0.20, n = 7; N. macrocephala ranges between 0.14– 0.22, n = 2). Furthermore, note the variation in general configuration of the eyes that renders species recognition on these characters uncertain. 3–4, 7–8. Comparative shapes of spermathecae in ventral view. Note both similarities and differences in shape and differences in distance between receptacles of both species that renders unambiguous species recognition difficult, although spermathecal receptacles in N. arboricola shown here are somewhat smaller and finer built. Scale bars = 1 mm.