New species of bristletails of the genus Trigoniophthalmus Verhoeff, 1910 (Archaeognatha: Machilidae) from North Ossetia – Alania (Russia)
Kaplin, V.G.
Two new bristletail species, Trigoniophthalmus kobani sp. n. and T. tseyi sp. n., are described from the North Ossetia – Alania. The new species with 2 + 2 eversible vesicles on urites II–IV belongs to a group of small species of the subgenus Trigoniocellus Kaplin, 2010. Trigoniophthalmus kobani sp. n. differs from other species of this group by the color of paired ocelli, ratio of lengths of apical article and preceding one of maxillary palp, posterior angle of urosternites II–V. The main differences of T. tseyi sp. n. are the ratio of distance between inner margins of paired ocelli to total width of eyes, presence of spine-like setae on legs, small posterior angle of urosternites II–V, large number of inner sublateral spines on urocoxite IX
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