A NEW SPECIES IN THE RHEOCRICOTOPUS (R.) EFFUSUS GROUP FROM CANADA WITH A REVIEW OF THE NEARCTIC SPECIES OF RHEOCRICOTOPUS AND PARAMETRIOCNEMUS (CHIRONOMIDAE: ORTHOCLADIINAE) Abstract Author Namayandeh, Armin Taxanama Corp., 25 Mabelle Ave, Toronto, ON, M 9 A 4 Y 1, Canada. a.namayan@taxanama.com Author Beresford, David V. Department of Biology, Trent University, Peterborough, Ontario, Canada. davidberesford@trentu.ca text CHIRONOMUS Journal of Chironomidae Research 2018 2018-12-27 31 16 29 journal article 10.5324/cjcr.v0i31.2531 2387-5372 Parametriocnemus vespertinus Saether, 1969 Adults: Male described by Saether (1969) . Female unknown. Immatures: Pupa described by Saether (1969) . Larva unknown. Ecology and Habitat: Larvae likely inhabit lotic habitats ( Saether 1969 ). NE: Canada ( Alberta ).