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Any of numerous insects of the order Plecoptera, having two pairs of membranous wings and long antennae, the nymphs of which often live under stones in streams. Adult and larval stoneflies are used as fishing bait. Also called plecopteran.


n, pl -flies
(Animals) any insect of the order Plecoptera, in which the larvae are aquatic, living beneath stones, and the adults have long antennae and two pairs of large wings and occur near water
[C15: so called because its larvae live under stones in rivers]



n., pl. -flies.
any of numerous dull-colored primitive aquatic insects of the order Plecoptera, having a distinctive flattened body shape: a major food source for game fish.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.stonefly - primitive winged insect with a flattened bodystonefly - primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones
insect - small air-breathing arthropod
References in periodicals archive ?
Included are nymphs, emergers, and dry flies that imitate mayflies, midges, stoneflies, and caddis Detailed information on how to fish the patterns is enhanced with the inclusion of over 30 rigging illustrations from artist Dave Hall.
Some of these will be slender stoneflies, often referred to as needle flies, but others might be caddisflies.
Imitations of caddis larvae or the nymphal stages of stoneflies and mayflies always produce.
The survey is expected to show the widespread return of insect species like stoneclingers and large stoneflies, as well as a substantial rise in the numbers of fish.
One pattern that regularly emerges from the literature is that as damage to the watershed increases, pollution-sensitive taxa such as mayflies, stoneflies, and caddisflies decrease, whereas tolerant taxa such as midges increase (Paul and Meyer 2001; Georgia Adopt-A-Stream 2009).
Snow fleas (tiny insects that arent really fleas) and winter stoneflies survive through our winters and can sometimes be seen moving on top of snow banks.
All of our spare time was filled with giant trout rising to stoneflies, chasing does, taking care of harvested deer, visiting the taxidermist, and being treated to some amazing hospitality by Keith's crew.
In the Macro Invertebrate Sampling lesson, the stream was sampled for pollution tolerant and pollution sensitive macro invertebrates or "critters." Once sampled, all the critters were separated into categories such as mayflies, stoneflies, etc.
Streamside trees and bushes along the Deschutes are typically loaded with adult salmonflies and golden stoneflies during May and June.
Our study indicates that further studies ought to be employed to use geometric morphometrics as a valid tool for detecting and describing morphological variation as biomarkers in invertebrate organism such as stoneflies.