Nearctic and Palaearctic Heterotrissocladius (Diptera, Chironomidae).
Series: Fisheries Research Board of Canada. Bulletin -- no.193.; Bulletin (Fisheries Research Board of Canada) -- no. 193.
Publisher: Fisheries and Marine Service
Published: 1975
Place of publication: Ottawa
Language: eng
Number of pages: 67
Subjects: Flies.; Chironomidae.; Diptera -- Classification.