Cryptus Fabricius, 1804

Watanabe, Kyohei, 2020, Expression of green fluorescent protein defines a specific population of lamina II excitatory interneurons in the GRP :: eGFP mouse, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 49, pp. 29-66 : 40

Genus Cryptus Fabricius, 1804

Cryptus Fabricius, 1804: 70 . Type species: Cryptus viduatorius Fabricius, 1804 . Designated by Curtis (1837).

Eucryptus Haldeman, 1842: 191 . New name for Cryptus .

Itamoplex Förster, 1869: 188 . Type species: Cryptus americanus Cresson, 1864 (= Ischnus albitarsis Cresson, 1864 ). Designated by Viereck (1914).

Plesiocryptus Cameron, 1903b: 299 . Type species: Plesiocryptus carinifrons Cameron, 1903 . Monobasic.

Five species, Cr. dianae (Gravenhorst, 1829) , Cr. konoi Uchida, 1936 , Cr. lugubris atrifemur (Townes, 1962), Cr. nipponensis Uchida, 1930 and Cr. spiralis (Fourcroy, 1785) , have been recorded from Japan.Among them, types of Cr. nipponensis are lost ( Townes et al., 1965; Yu et al., 2016). I could not find any specimens with the character states of Cr. nipponensis . I herein describe a new species, Cr. daidaigaster sp. nov., from Hokkaido, Japan and newly record Cr. dianae from Honshu.