A Mayfly - Ametropus neavei
A large sand-dwelling mayfly that runs over underwater sandbars like an underwater tiger beetle.
The eastern range limit of this species is North Dakota, Manitoba and Saskatchewan (Guenther and McCafferty, 2005) It is recorded for CO, MT, ND, NM, UT, WI, WY Canada AB, NT, SK . In MT it os found in the Milk River system near the canadian border, the Missouri River >100 miles down from Fort Peck and the Lower Yellowstone and Powder River systems.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
This species highly associated with larger, perennially flowing prairie rivers with gravel-cobble riffles and shifting sandy bottom runs and pools.
- Literature Cited AboveLegend: View Online Publication
- Guenther, J.L. and W.P. McCafferty. 2005. Mayflies (Ephemeroptera) of the Great Plains. III: North Dakota. Transactions of the American Entomological Society, 131(3-4): 491-508.
- Additional Sources of Information Related to "Insects"