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 Goetghebuer Parametriocnemus boreoalpinus Gowin and Thienemann, 1942 Adults: Male and female described by Gowin and Thienemann (1942) . Immatures: Pupa and larva Gowin and Thienemann (1942) and Kownacka and Kownacki (1967) . Ecology and Habitat: Larvae inhabit the stony banks of high-altitude streams ( Kownacka and Kownacki 1967 ). NE: Canada ( Alberta , British Columbia , Labrador, Northwest Territories , Nunavut ). Widespread in the Palearctic.