Definition of stonefly in English:

stonefly

Syllabification: stone·fly
Pronunciation: /ˈstōnˌflī
 
/

noun (plural stoneflies)

  • 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.
    • Order Plecoptera: many families
    More example sentences
    • 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.
    • 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.

More definitions of stonefly

Definition of stonefly in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space