One of the mysteries of the English language finally explained.
A slender insect with transparent membranous wings, the larvae of which live in clean running water. The adults are used as bait by fly fishermen.
- ‘Their findings can then be presented to government scientists for further investigation, or passed to national recording schemes for the three main groups of river insects: caddisflies, mayflies, and stoneflies.’
- ‘On many of the rocks were the empty cases of early season stoneflies that the river seems to support in large numbers.’
- ‘Young Atlantic salmon in streams eat mainly the larvae of aquatic insects such as blackflies, stoneflies, caddisflies, and chironomids.’
- ‘The Permian saw the appearance of stoneflies, true bugs, beetles, and caddisflies, among other groups.’
- ‘The natural diet of loch trout is more varied than most care to admit and be prepared for trout taking midge, stonefly, sedge, beetles, nymphs, olives and mayfly.’
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