title: A taxonomic review of the polymorphic assassin bug genus Rihirbus Stål (Hemiptera: Reduviidae: Harpactorinae).
abstract: Two species in the genus Rihirbus Stål are recognized, redescribed and illustrated. The diagnosis of the genus is slightly modified. The deposition information of Miller's type specimens is corrected. Rihirbus trochantericus Stål is newly recorded from Cambodia, Laos, Nepal, Thailand, and Vietnam. A key for the identification of species of Rihirbus is provided. The sexual dimorphism and polymorphism of this genus are briefly noted.
authors.affiliation: Department of Entomology, China Agricultural University, Yuanmingyuan West Road, Beijing 100193, China; Email: unknown.
authors.forename: Feng
authors.initials: F
authors.lastname: Gao
authors.affiliation: College of Environment and Life Sciences, Kaili University, Kaili, Guizhou 556000, China; Email: unknown.
authors.forename: Ping
authors.initials: P
authors.lastname: Zhao
authors.affiliation: Department of Entomology, The Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom.; Email: unknown.
authors.forename: Mick
authors.initials: M
authors.lastname: Webb
authors.affiliation: Department of Entomology, China Agricultural University, Yuanmingyuan West Road, Beijing 100193, China; Email: caiwz@cau.edu.cn.
authors.forename: Wanzhi
authors.initials: W
authors.lastname: Cai
mesh_terms: D063147:Animal Distribution; D000818:Animals; D005260:Female; D008297:Male; D020064:Reduviidae / Q000033:anatomy & histology / Q000145:classification*; D012727:Sex Characteristics