title: Contribution to the knowledge of Patagonia, Argentina: redescription of the genus Xenogenus Berg 1883 (Hemiptera: Heteroptera: Rhopalidae) and description of immature stages of Xenogenus gracilis Reed, 1899.
abstract: This is a review of Xenogenus Berg 1883 a Neotropical genus with two species: X. gracilis Reed (1899) and X. picturatum Berg 1883. Males of X. picturatum, males and females of X. gracilis are redescribed and illustrated; instars II-V of X. gracilis are described and illustrated. The host plant and new record data are also given for the latter.
authors.affiliation: Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Uruguay 151 L6300CLB, Santa Rosa, La Pampa. Argentina.; Email: fddiez@gmail.com.
authors.forename: Fernando
authors.initials: F
authors.lastname: Diez
authors.affiliation: Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Entomología. Paseo del Bosque s/n 1900, La Plata, Buenos Aires. Argentina.; Email: mcoscaron@fcnym.unlp.edu.ar.
authors.forename: María Del Carmen
authors.initials: Mdel C
authors.lastname: Coscarón
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D001118:Argentina; D049628:Body Size; D017753:Ecosystem; D005260:Female; D020062:Heteroptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development*; D008297:Male; D009929:Organ Size