Praocis sulcata Eschscholtz, 1829 (Fig. 1) Praocis sulcata Eschscholtz, 1829: 7; Dejean, 1834: 180 (cat.); Dejean, 1836: 200 (cat.); Laporte, 1840: 187; Solier, 1840: 235 (rev.) (misidentif.); Lacordaire, 1859: 214; Gemminger & Harold, 1870: 1906 (cat.); Philippi, 1887: 733 (cat.); Gebien, 1910: 262 (cat.); Gebien, 1938: 400 (cat.); Blackwelder, 1945: 523 (cat.); Kulzer, 1958: 19 (rev.); Peña, 1966: 429 (cat.); Flores, 2007: 416 (lectot.). Praocis rotundata Laporte, 1840: 187 (not Lacordaire, 1830: 284); Solier, 1851: 190 (rev.); Lacordaire, 1859: 213; Gemminger & Harold, 1870: 1905 (cat.); Philippi, 1887: 732 (cat.); Gebien, 1910: 261 (cat.); Gebien, 1938: 398 (cat.); Blackwelder, 1945: 523 (cat.). New synonymy based on redescription of P. rotundata Laporte by Solier, 1851. Lectotype of Praocis sulcata (Fig. 1): [Type] [14893] [Hist.-Coll. (Coleoptera)/ Nr. 14893/ Praocis sulcata Eschsch. / Chili, Eschsch./ Zool. Mus. Berlin] [Syntypys/ Praocis sulcata / Eschscholtz, 1829 / labelled by the MNHUB 2005] [Lectotypus / Praocis sulcata Eschscholtz, 1829 / Des. G. Flores 2005] (MNHUB). One paralectotype same data as lectotype, except two first labels (MNHUB). Notes: Flores (2007: 416) designated lectotype and paralectotype. Because Praocis rotundata Laporte, 1840 is now placed in synonymy, there is no need to propose a new name for this species which is a junior homonym of Praocis rotundata Lacordaire, 1830. Comments. Praocis rotundata Laporte shares with P. sulcata Eschscholtz the following characters: elytron with two carinae well marked and three grooves bearing short, broad, golden, squamiform setae; carinae wider than grooves; lateral margin well demarcated with a finer edge; pseudopleuron with punctures. These characters were recognized by Solier (1851) in his redescription of P. rotundata Laporte and are diagnostic for P. sulcata as stated by Eschscholtz (1829). Based on the examined material of this species housed in LEULS and IADIZA, we assign its geographical distribution to Chile, from Elqui Province (Coquimbo Region) to Concepcion Province (Bío Bío Region).

Published as part of Flores, Gustavo E. & Pizarro-Araya, Jaime, 2010, Two new synonymies in the genus Praocis (Coleoptera: Tenebrionidae), pp. 65-68 in Zootaxa 2386 (1) on page 66, DOI: 10.11646/zootaxa.2386.1.5, http://zenodo.org/record/5307030