Renclasea

Key to the species of Renclasea 1. Prosternal keel with carinal striae present (Fig. 6 A) ................................................................................ R. falli n. sp. 1 '. Prosternal keel without carinal striae............................................................................................................................ 2 2. Substantial areas of dorsal body surface with alutaceous microsculpture, at least on elytral intervals and apical areas..................................................................................................................................................................................... 3 2 '. Dorsal body surface without alutaceous microsculpture.............................................................................................. 5 3. Dorsal striae inconspicuous, barely traceable; surface of pygidium smooth, shiny or finely microsculptured........... 4 3 '. Dorsal striae 1���4 distinct, almost complete, thin, impunctate and slightly costate, especially anteriorly; surface of pygidium rugose; disc of mesoventrite (in females) medially with circular flat microsculptured callus (Fig. 6 B)....... .............................................................................................................................................................. R. helavai n. sp. 4. Surface of frons, vertex, pronotum, most of elytra and propygidium with alutaceous microsculpture; northern Mexico (Hidalgo).................................................................................................................................... R. mexicana n. sp. 4 '. Dorsal alutaceous microsculpture present as longitudinal bands at interstrial intervals on elytra, these being somewhat expanded and merged at posterior fourth (Fig. 1 B); southeastern United States (Florida and Georgia)............... .............................................................................................................................................................. R. skelleyi n. sp. 5. Elytra with distinct traces of dorsal striae 1���3 and almost complete sutural striae; mesoventrite and anterior portion of metaventrite without medial longitudinal keel........................................................................ R. occidentalis n. sp. 5 ' Elytra without any traces of dorsal and sutural striae; mesoventrite and anterior portion of metaventrite (in males) with sharp medial longitudinal keel (Fig. 2 B)...................................................................................... R. cazieri n. sp.
Published as part of Tishechkin, Alexey K. & Caterino, Michael S., 2009, A new North American genus of Hetaeriinae (Coleoptera: Histeridae), with descriptions of six new species from the U. S. A. and Mexico, pp. 1-18 in Zootaxa 2311 on pages 3-4, DOI: 10.5281/zenodo.191863