title: Review of Xenochironomus Kieffer, 1921 (Diptera: Chironomidae) with description of six new species.
abstract: The genus Xenochironomus Kieffer is reviewed. Five new species are described from Brazil, X. alaidae, X. amazonensis and X. martini as male; X. grini and X. mendesi as male, pupa and larva, and X. ethiopensis from Ethiopia is described as adult male. X. canterburyensis (Freeman) is redescribed as male, pupa and larva; X. trochanteratus (Thompson), X. trisetosus (Kieffer), X. ugandae (Goetghebuer) and X. tuberosus Wang as males; notes on X. xenolabis (Kieffer), X. flaviventris (Kieffer), X. longicrus (Kieffer), X. lacertus Dutta et Chaudhuri and X. ceciliae Roque et Trivinho-Strixino are also given. The species X. nigricaudus Hashimoto is recognized as nomen dubium. Keys to males, pupae and larvae are presented.
authors.affiliation: Universidade de São Paulo, Museu de Zoologia-MZUSP Laboratório de Diptera, São Paulo, SP, Brazil. liviafusari@gmail.com
authors.forename: Lívia Maria
authors.initials: LM
authors.lastname: Fusari
authors.forename: Fabio de Oliveira
authors.initials: Fde O
authors.lastname: Roque
authors.forename: Neusa
authors.initials: N
authors.lastname: Hamada
mesh_terms: D000818:Animals; D044822:Biodiversity; D002683:Chironomidae / Q000033:anatomy & histology / Q000145:classification*; D005260:Female; D007814:Larva / Q000033:anatomy & histology; D008297:Male; D011161:Porifera / Q000469:parasitology; D011679:Pupa / Q000033:anatomy & histology