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Golden Stone - Hesperoperla pacifica
General Description
This species of the family Perlidae is a predaceous stonefly, eating other aquatic insects-especially midges, blackflies and small mayflies. They live on the cobbles and boulders of medium to fast flowing streams.
Species Range
Montana Range
Range Descriptions
Native
Observations in Montana Natural Heritage Program Database
Number of Observations: 223
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Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Food Habits
Merritt and Cummins (1996) report that members of the families, Perlidae and Perlodidae, are largely predators eating other aquatic invertrebrates, especially Diptera (Chironomidae and Simuliidae, midges and blackflies) and Mayflies.
Stewardship Responsibility
References
- Literature Cited AboveLegend:
View Online Publication
Cummins, K.W. and R.W. Merritt. 1996. Ecology and distribution of aquatic insects. Chapter 6, pages 74-86 in R.W. Merritt and K.W. Cummins (eds.) An Introduction to the Aquatic Insects of North America. Third Edition. Kendall/Hunt Publishing Company, Dubuque, Iowa. 862 pp.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?- Burns, D.C. 1973. Plecoptera of the West Fork of the West Gallatin River and factors influencing their distribution. M.Sc. Thesis. Bozeman, Montana: Montana State University. 71 p.
- Endicott, C.L. 1996. Responses of riparian and stream ecosystems to varying timing and intensity of livestock grazing in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 115 p.
- Fraley, J.J. 1978. Effects of elevated summer water temperatures below Ennis Reservoir on the microinvertebrates of the Madison River, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 120 p.
- Garrett, P.A. 1973. The distribution and abundance of aquatic insects in the Middle West Gallatin drainage. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
- Glorvigen, T.H. 1972. The responses of insect communities in the East Gallatin River, Montana, to sewage effluents. M.Sc. Thesis. Bozeman, Montana: Montana State University. 24 p.
- Gustafson, D. L. 1990. Ecology of aquatic insects in the Gallatin River drainage. Ph.D. Dissertation. Bozeman, MT: Montana State University. 194 p.
- Heaton, J.R. 1966. The benthos and drift fauna of a riffle in the Madison River, Yellowstone National Park. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 59 p.
- Lainhart, R.D. 1973. Interaction of substrate particle size and other habitat variables, and their relation to the microdistribution of benthos in a Montana spring-stream. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 124 p.
- Lohr, S.C. 1993. Wetted stream channel, fish-food organisms and trout relative to the wetted perimeter inflection point instream flow method. Ph.D. Dissertation. Montana State University, Bozeman. 246 p.
- Mcclay, W. 1968. Effects of controlled flow reductions on aquatic insects in a stream riffle. M.Sc. Thesis. Bozeman, MT: Montana State University. 29 p.
- Novak, M.A. 1988. Impacts of a fire-flood event on physical and biological characteristics of a small mountain stream. M.Sc. Thesis. Bozeman, MT: Montana State University. 98 p.
- Richards, D.C. 1996. The use of aquatic macroinvertebrates as water quality indicators in mountain streams in Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 192 p.
- Stadnyk, L. 1971. Factors affecting the distribution of Stoneflies in the Yellowstone River, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 36 p.
- Vincent, E.R. 1966. A comparison of riffle insect populations in the Gibbon River above and below the geyser basins, Yellowstone National Park. M.Sc. Thesis. Bozeman, MT: Montana State University. 19 p.
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