Belongs within: Agromyzidae.
Phytomyza is a diverse genus of agromyzid flies including both leaf-mining species and borers in seeds and stems. Representatives include P. rufipes which is a pest on species of Brassica (Boucher 2010).
Characters (from Boucher 2010): Fronto-orbital setulae distinctly proclinate; costa extending only to vein R4+5; crossvein dm-cu usually absent; halter white.
<==Phytomyza [incl. Chromatomyia]B10 |--P. affinisL49 |--P. atricornisB88 |--P. cheloneiB10 |--P. clematadi Watt 1923S69 |--P. clematidicolaB88 |--P. cytisiA71 |--P. davisiiS87 |--P. gregariaB10 |--P. horticolaRD77 [=Chromatomyia horticolaB88] |--P. ilicicolaWT11 |--P. ilicisA71 |--P. loewiiB10 |--P. parvicellaS87 |--P. pedicularidisB10 |--P. plantaginisM83 |--P. rufipesB10 |--P. syngenesiaeB10 `--P. varipesS87
*Type species of generic name indicated
References
[A71] Askew, R. R. 1971. Parasitic Insects. Heinemann Educational Books: London.
[B88] Bouček, Z. 1988. Australasian Chalcidoidea (Hymenoptera): A biosystematic revision of genera of fourteen families, with a reclassification of species. CAB International: Wallingford (UK).
[B10] Boucher, S. 2010. Agromyzidae (leaf-mining flies). In: Brown, B. V., A. Borkent, J. M. Cumming, D. M. Wood, N. E. Woodley & M. A. Zumbado (eds) Manual of Central American Diptera vol. 2 pp. 1057–1071. NRC Research Press: Ottawa.
[L49] Lucas, H. 1849. Exploration Scientifique de l’Algérie pendant les années 1840, 1841, 1842 publiée par ordre du gouvernement et avec le concours d’une commission académique. Sciences physiques. Zoologie. II. Histoire naturelle des animaux articulés. Troisième partie. Insectes (suite). Imprimerie Nationale: Paris.
[M83] Martin, N. A. 1983. Miscellaneous observations on a pasture fauna: an annotated species list. DSIR Entomology Division Report 3: 1–98.
[RD77] Richards, O. W., & R. G. Davies. 1977. Imms’ General Textbook of Entomology 10th ed. vol. 2. Classification and Biology. Chapman and Hall: London.
[S87] Spencer, K. A. 1987. Agromyzidae. In: McAlpine, J. F. (ed.) Manual of Nearctic Diptera vol. 2 pp. 869–879. Research Branch, Agriculture Canada.
[S69] Steyskal, G. C. 1969. The mistreatment of the Latin genitive case in forming names of parasites. Systematic Zoology 18 (3): 339–342.
[WT11] Wiegmann, B. M., M. D. Trautwein, I. S. Winkler, N. B. Barr, J.-W. Kim, C. Lambkin, M. A. Bertone, B. K. Cassel, K. M. Bayless, A. M. Heimberg, B. M. Wheeler, K. J. Peterson, T. Pape, B. J. Sinclair, J. H. Skevington, V. Blagoderov, J. Caravas, S. N. Kutty, U. Schmidt-Ott, G. E. Kampmeier, F. C. Thompson, D. A. Grimaldi, A. T. Beckenbach, G. W. Courtney, M. Friedrich, R. Meier & D. K. Yeates. 2011. Episodic radiations in the fly tree of life. Proceedings of the National Academy of Sciences of the USA 108 (14): 5690–5695.