A Mayfly - Acentrella insignificans
The genus, Acentrella are small mayflies (blue-winged olives) that are common in medium-large cool-water systems such as the Missouri and Yellowstone Rivers, but can also appear in smaller, cold-water trout streams that have some siltation and de-watering problems, as this genera is more silt-tolerant than some other mayflies.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Peterson, D.A., Clark, M.L., Foster, Katharine, Wright, P.R., and Boughton, G.K., 2010, Assessment of ecological conditions and potential effects of water produced from coalbed natural gas development on biological communities in streams of the Powder River structural basin, Wyoming and Montana, 2005–08: U.S. Geological Survey Scientific Investigations Report 2010–5124, 84 p.
- Additional Sources of Information Related to "Insects"