Chrysomelid Flea beetle Photo by R. Richard Aphthona flava Approved for release into the U.S. in 1985. Large populations are present in Montana and North Dakota. A. flava is a good control agent, reducing spurge to a few short stems. Many thousands of the beetles have been collected from Canada and a site near Bozeman, Montana for re-distribution. Habitat and feeding habits are the same as above.
Winter is spent in the larval stage.
Populations are present in several western states, including Wyoming, Montana, North Dakota, Colorado. Aphthona flea beetles can kill leafy spurge plants as a direct or indirect consequence of larval feeding on spurge roots. Habitat and feeding habits are the same as above. Winter is spent in the larval stage. Cecidomyiid midge Photo by R. Richard Spurgia esulae Approved for release into the U.S. in 1985.