A Mayfly - Baetis flavistriga
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B. flavistriga larvae are differentiated from other Baetis by the presence of 3 banded caudal filaments, a the large dark spot on the middle femora, the presence of 2 kidney shaped pale areas on the posterior margin of the abdominal terga segments 6 & 7, and by broad labial palps.
Observations in Montana Natural Heritage Program Database
Number of Observations:
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