native to w. Palaearctic, adventive in our area (se. Canada, ne. & nw. US) (Wheeler et al. 1999; BG data)
larva feeds on various grasses
may damage cereal crops
Wheeler T.A., Vockeroth J.R., Boucher S. (1999) Geomyza tripunctata Fallén, a Palaearctic opomyzid fly new to North America, with notes on range expansions in Holarctic Opomyzidae (Diptera). Proc. Entomol. Soc. Ontario 130: 5-20 (Abstract)
Contributed by Chuck Entz on 16 August, 2009 - 9:44pm Additional contributions by v belov Last updated 28 November, 2012 - 6:48pm
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