A Mayfly - Baetisca lacustris
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Known from the lower Yellowstone River but was recently reported in the Marias River of the Missouri Basin, Chouteau County at US Hwy 87 south of Loma in 2002
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 Sources of Information Related to "Insects"