G. C.  Steyskal, ?Chapter 86. Sepsidae?, in Manual of Nearctic Diptera, vol. 2, J. F.  McAlpine, Peterson, B. V., Shewell, G. E., Teskey, H. J., Vockeroth, J. R., and Wood, D. M., Eds. Ottawa: Research Branch, Agriculture Canada, 1987, pp. 945-950.

G. C.  Steyskal, ?Chapter 85. Ropalomeridae?, in Manual of Nearctic Diptera, vol. 2, J. F.  McAlpine, Peterson, B. V., Shewell, G. E., Teskey, H. J., Vockeroth, J. R., and Wood, D. M., Eds. Ottawa: Research Branch, Agriculture Canada, 1987, pp. 941-944.

R.  Rozkosny, ?3.36. Family Phaeomyiidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 377-382.

R.  Rozkosny, ?3.35. Family Sciomyzidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 357-376.

L. V.  Knutson, ?Chapter 84. Sciomyzidae?, in Manual of Nearctic Diptera, vol. 2, J. F.  McAlpine, Peterson, B. V., Shewell, G. E., Teskey, H. J., Vockeroth, J. R., and Wood, D. M., Eds. Ottawa: Research Branch, Agriculture Canada, 1987, pp. 927-940.

A. L.  Ozerov, ?3.34. Family Dryomyzidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 349-355.

D. K.  McAlpine, ?3.33. Family Heterocheilidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 345-347.

D. K.  McAlpine, ?3.32. Family Helcomyzidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 341-344.

G. C.  Steyskal, ?Chapter 83. Dryomyzidae?, in Manual of Nearctic Diptera, vol. 2, J. F.  McAlpine, Peterson, B. V., Shewell, G. E., Teskey, H. J., Vockeroth, J. R., and Wood, D. M., Eds. Ottawa: Research Branch, Agriculture Canada, 1987, pp. 923-926.

D. K.  McAlpine, ?3.31. Family Coelopidae?, in Contributions to a Manual of Palaearctic Diptera, Vol 3: Higher Brachycera, L.  Papp and Darvas, B., Eds. Budapest: Science Herald, 1998, pp. 335-340.

J. R.  Vockeroth, ?Chapter 82. Coelopidae?, in Manual of Nearctic Diptera, vol. 2, J. F.  McAlpine, Peterson, B. V., Shewell, G. E., Teskey, H. J., Vockeroth, J. R., and Wood, D. M., Eds. Ottawa: Research Branch, Agriculture Canada, 1987, pp. 919-922.