Moriosomus motschulskyi, Erwin & Moore, 2007

Erwin, Terry L. & Moore, Wendy, 2007, Taxonomic review of the Neotropical genus Moriosomus Motschulsky (Insecta: Coleoptera, Carabidae, Morionini) with notes on the way of life of the species, Zootaxa 1438, pp. 49-63 : 52-53

Key to the species of Moriosomus Motschulsky 1855

1 Clypeus with anterior margin shallowly emarginated; Elytron with interval 7 carinate or costiform in posterior third .................................................................................................................................................... 2 1’ Clypeus bilobed medially, dentiform laterally, each dentiform projection setose; Elytron with interval 7 rounded, not carinate ....................................................................... M. motschulskyi Erwin & Moore n. sp. 2(1) Elytron with interneurs punctuate; Interval 7 carinate in posterior third; Pronotum with four setae on each lateral margin; Prosternum, including intercoxal process, glabrous; Submentum with four setae ............... ............................................................................................................................. M. sylvestris Motschulsky

2’ Elytron with interneurs smooth; impunctate, Interval 7 costiform in posterior third; Pronotum with with six setae on each lateral margin; Prosternum, including intercoxal process, sparsely setose; Submentum with two setae ................................................................................................................ M. seticollis Straneo