@article {308, title = {Western hemisphere Sphaerophoria}, journal = {Miscellaneous Publications of the Entomological Society of Ontario}, volume = {9}, number = {1}, year = {1973}, note = {pages and title uncertain (only partly photocopied), author name incomplete}, pages = {5-13}, keywords = {key, Sphaerophoria, Syrphidae}, author = {Knutson, L.V.} } @article {493, title = {Review of the genus Sterphus Philippi (Diptera: Syrphidae). Part I}, journal = {Entomologica Americana}, volume = {46}, number = {2}, year = {1973}, pages = {185-240}, keywords = {Sterphus, Sterphus (Ceriogaster), Sterphus (Ceriogaster) arethusa (Hull), Sterphus (Ceriogaster) rudis (Hull), Sterphus (Ceriogaster) spinosa (Shannon), Sterphus (Crepidomyia), Sterphus (Crepidomyia) coarctatus (Wiedemann), Sterphus (Crepidomyia) jamaicensis (Gmelin), Sterphus (Mutillimyia), Sterphus (Mutillimyia) auricaudatus (Williston), Sterphus (Sterphus), Sterphus (Sterphus) aurifrons Shannon, Sterphus (Telus), Sterphus (Telus) telus Thompson, Syrphidae, Xylotina}, author = {Thompson, F. Christian} } @article {322, title = {Contribution to the knowledge of the taxonomy, faunal composition and cytology of the syrphid flies (Diptera: Syrphidae) of Kashmir (India). I. Taxonomic account and faunal composition}, journal = {Genen Phaenen}, volume = {16}, number = {3}, year = {1973}, pages = {87-100}, keywords = {chromosomes, Syrphidae}, author = {Lambeck, H.J.P. and van Brink, J.M.} } @article {113, title = {Cytotaxonomy of South American Syrphinae (Diptera: Syrphidae)}, journal = {Genetica}, volume = {44}, year = {1973}, pages = {368-415}, keywords = {chromosomes, phylogeny, Syrphidae}, author = {Boyes, J.W. and Boyes, B.C. and van Brink, Janny M. and Vockeroth, J.R.} } @article {494, title = {De Geer{\textquoteright}s exotic Musca species (Diptera: Syrphidae and Calliphoridae)}, journal = {Proceedings of the Entomological Society of Washington}, volume = {75}, number = {3}, year = {1973}, pages = {354-356}, address = {Washington}, keywords = {Musca, Syrphidae}, author = {Thompson, F. Christian} }