| 释义 |
snow fleanounEither of two small insects that appear on or near snow in northern regions or on mountains:- A small flightless scorpion fly which feeds on mosses (family Boreidae, including the Eurasian Boreus hyemalis); North American name: snow scorpion fly. A springtail that often swarms on snow, making it appear black (family Isotomidae, including the Alpine Isotoma saltans and the North American Hypogastrura nivicola)..
The scientists isolated the gene for green opsins from 11 species of scorpionflies, snow fleas, and true fleas....- Scientists have discovered new secrets from a tiny snow flea that can survive in freezing conditions.
- Some people become worried by the vast numbers of snow fleas and their sudden appearance on the ground.
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