@article {22082, title = {A monograph of Trichonta with a model for the distribution of Holarctic Mycetophilidae (Diptera)}, journal = {U S DEPARTMENT OF AGRICULTURE TECHNICAL BULLETIN}, number = {1638}, year = {1981}, note = {English}, pages = {1-64}, keywords = {Trichonta; PALAEOZOOGEOGRAPHY-; Origins of present distribution; LAND-AND-FRESHWATER-ZONES; Holarctic; Palaeozoogeographic hypothesis for present distribution; NEPAL-; New species; Trichonta amica; QUEBEC-; Old Chelsea; New species; Trichonta beata; CONNE}, author = {Gagn{\'e}, Raymond J.} }