On the taxonomy and distribution of the leaf-beetle Macroplea japana Jacoby, 1885 (Coleoptera, Chrysomelidae)
The species rank of Macroplea japana (Jacoby, 1885) is confirmed based on examination of the holotype. The main characters distinguishing this species from M. mutica are as following: the 4th antennomere is as long as the 3rd segment and somewhat longer than the 2nd segment; the pronotum is smooth, shining, with 3 black longitudinal stripes on the bottoms of 3 longitudinal impressions; the femora and tibiae black apically; the 1st metatarsomere is as long as the 2nd and the 3rd tarsomeres combined and is almost twice as long as the 2nd tarsomere; the claws bear no triangular projection near the bases; the aedeagus forms a shorter apical projection. Macroplea japana is found in Russia (Primorskii Territory) for the first time.
KeywordsEntomological Review Species Rank Hind Coxa Longitudinal Depression Elytral Interval
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