title: [A new mexican species of Dichotomius Hope (Coleoptera: Scarabaeidae) and a key to species of the carolinus group].
abstract: A new species of Dichotomius Hope is described based on specimens from states of Yucatan and Quintana Roo, Mexico. Dichotomius maya n. sp. is included in a new key to species of the carolinus group, which comprises besides new species described herein, the following species with North American and Central American distribution: D. carolinus L., D. colonicus (Say), D. annae Kohlmann & Solis and D. amicitiae Kohlmann & Solis.
authors.affiliation: Instituto de Ecología, A.C. km 2.5 carretera antigua a Coatepec 351, Congregación El Haya, 91070 Xalapa, Veracruz, Mexico.
authors.forename: Lizandro N
authors.initials: LN
authors.lastname: Peraza
authors.forename: Cuauhtémoc
authors.initials: C
authors.lastname: Deloya
mesh_terms: D000818:Animals; D001517:Coleoptera / Q000033:anatomy & histology* / Q000145:classification*; D005260:Female; D008297:Male; D008800:Mexico