Abstract
Cixius (Orinocixius) lermontovi sp. nov. is described from Black see coast of Krasnodar Territory of Russia. This is 6th species of the genus Cixius Latreille recorded from this region so far and 27th species for the fauna of Russia. The new species differs from all other species of the subgenus Orinocixius by small size (body length with wings) – 3.0 mm. C. (O.) lermontovi sp. nov. is closely related to C. (O.) cambricus China, 1935 and C. (O.) carniolicus Wagner, 1939 according to arrangement and size of phallotheca teeth and length of male anal tube, but well distinguished by body size and dark brown coloration of the head, pro-, and mesonotum. C. (O.) lermontovi sp. nov. is characterized by wide pygofer, with hind margins strongly convex, male anal tube 4 times as long as wide medially, phallotheca with two lateral areas of weak sclerotization, denticles ventrally and two lobe-shaped combs dorsally – left comb deeply concave proximally and right comb convex, 3 movable teeth are near to the base of the distal segment of penis – upper tooth large, directed upwards and lower tooth small, directed downwards on left side, one large tooth directed upwards on the right side, lower margin of phallotheca with two strong teeth proximally.
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