Horistonotus Candèze, 1860

Horistonotus Candèze, 1860: 104, 243; 1891: 135 (cat.); Horn, 1885: 33; Champion, 1895: 428; Schwarz, 1906: 160, 176; Fleutiaux, 1907: 207; Blatchley, 1910: 719, 721; Schenkling, 1925: 255 (cat.); Blackwelder, 1944: 302 (checklist); Becker, 1973: 1529; Golbach, 1979a: 400; 1979b: 411; Wells, 2000: 412; Aranda, 2009: 29.

Type species: Horistonotus flavidus Candèze, 1860, designated by Hyslop (1921).

Diagnosis. Head usually with secondary carina extending from supra-antennal carina over base of antenna to about middle of eye; pronotum carinate laterally; carina complete or not reaching anterior margin of pronotum; pronotum with posterior margin strongly sinuate and with two approximate notches or identations between base of hind angle and median line; suture between meso- and metasternum present; scutellum pentagonal with apex rounded; tarsomeres simple; first tarsomere about as long as second and half of third; claws simple or toothed.