Title: Biblio RTF Export
Author: Biblio 7.x

J. R.  Vockeroth, ?A review of the Nearctic species of Melangyna (Meligramma) Frey (Diptera: Syrphidae)?, The Canadian Entomologist, vol. 112, pp. 775-778, 1980.

J. R.  Vockeroth and Thompson, F. C., ?Syrphidae?, Agriculture Canada Monograph, vol. 28, pp. 713-743, 1987.

J. R.  Vockeroth, The flower flies of the subfamily Syrphinae of Canada, Alaska and Greenland, vol. 18. Ottawa: Canada Communications Group - Publishing, 1992, p. 456.

J. R.  Vockeroth, ?Revision of the Nearctic species of Platycheirus (Diptera, Syrphidae)?, The Canadian Entomologist, vol. 122, pp. 659-766, 1990.