TY  - BOOK
TI  - "The systematics, phylogeny and zoogeography of symmerus Walker and Australo symmerus Freeman (Diptera : Mycetophilidae: Ditomyiinae)."
T2  - Memoirs of the Entomologial society of Canada. No.92
U1  - TR 595.771:576.12+591.9(047) L4 
PY  - 1974///
CY  - Ottawa
PB  - Entomological Society of Canada
KW  - "Munroe, Donald Douglas."
KW  - Diptera
ER  -