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A Mayfly - Timpanoga hecuba
General Description
This species is associated with medium sized, moderate gradient, cool-coldwater streams and rivers with cobble riffles and some gravels and silted pool areas. Robust slightly flattened mayfly, with long hairs along the legs which collect with detritus making them look fuzzy and larger in situ.
Diagnostic Characteristics
Robust slightly flattened mayfly, with long hairs along the legs which collect with detritus making them look fuzzy and larger in situ.
Observations in Montana Natural Heritage Program Database
Number of Observations: 89
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
This species is associated with medium sized, moderate gradient, cool-coldwater streams and rivers with cobble riffles and some gravels and silt pool areas..
Food Habits
This species is a scraper of algae and collector of detritus
Threats or Limiting Factors
All forms of stream quality degradation pose potential threats. These include siltation; pollution from agricultural and industrial waste; and hydrological alteration from drainage, dams, or withdrawal of excess water for human use.
References
- Additional ReferencesLegend:
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Gustafson, D. L. 1990. Ecology of aquatic insects in the Gallatin River drainage. Ph.D. Dissertation. Bozeman, MT: Montana State University. 194 p.
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