Roederiodes Coquillett 1901

• Main Author: Sinclair, Bradley J.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Empididae; Roederiodes; Northwest Territories
• Online Access: https://doi.org/10.5281/zenodo.8042900; http://treatment.plazi.org/id/E6066E10FFB17733FF0CFD1DFA97FEA9

Roederiodes Coquillett Roederiodes Coquillett, 1901: 585. Type species, R. junctus Coquillett (original designation). Roederioides (error). Recognition. Adult Roederiodes are distinguished from other clinocerine genera by the broad gena and long, slender labrum, small labium and geniculate female cercus. Pupae are readily identified by the long and elevated face and labral sheath and U-shaped labellar sheath. Larvae are characterized by four elongate caudal processes. The genus name is masculine. Redescription. See Sinclair (1995). Remarks. This genus occurs in all geographical regions except Australasia and now includes 25 described species (Appendix). Sinclair & Harkrider (2004) removed and transferred five species to Clinocerella Engel, but this decision was subsequently revised and now only the following three former species of Roederiodes are assigned to Clinocerella : gereckei (Wagner & Horvat, 1993), siveci (Wagner & Horvat, 1993), wagneri (Pusch, 1996). The other two species, Roederiodes macedonicus Wagner & Horvat, 1993 and R. montenegrinus Wagner & Horvat, 1993 remain in Roederiodes on the basis of mouthparts and male terminalia. Distribution. In the New World, the genus is rather widespread from the Northwest Territories of Canada, south to Costa Rica. In North America, the genus is surprisingly absent from the Pacific Northwest (British Columbia, Idaho, Oregon, Washington), Alberta and Montana, despite focussed collections of aquatic associated empidids by a number of Dipterists over the past 100 years. Biology. The immature stages of Roederiodes were first illustrated, described and reared by Needham & Betten (1901) from larvae collected among black fly (Simuliidae) pupal cases in rapids in New York State, whereas pupae were collected from within empty black fly pupal cases. The larvae and pupae were later described in detail by Sinclair & Harkrider (2004). Adults are usually observed in small clusters on branches and boards positioned above fast flowing water, often in ...