Definition of snow flea in US English:

snow flea

noun

  • Either of two small insects that appear on or near snow in northern regions or on mountains.

    a springtail that often swarms on snow, making it appear black (family Isotomidae, including the Alpine Isotoma saltans and the North American Hypogastrura nivicola)

    a small flightless scorpionfly that feeds on mosses (family Boreidae, including the Eurasian Boreus hyemalis)

    • ‘The rest of us will have to be content to read the reports of others such as Henry David Thoreau who included comments about snow fleas in his journal in January 1860.’
    • ‘For the woolly bear, the woodchuck, the spruce tree, the snow flea, and the meteorologist, winter is perfect.’
    • ‘Once the ancestors of fleas split from snow fleas 160 million years ago, they continued this trend.’
    • ‘We have been told they are snow fleas but nobody knows how to get rid of them.’
    • ‘This spring-loaded stunt is responsible for the jumping antics we noticed in those first snow fleas we found.’
    • ‘Mating swarms of golden snow fleas are seen on and around melting snow in June on the summit of Mount Revelstoke.’
    • ‘Even though the snow flea prefers colder weather they are present throughout the year.’
    • ‘The scientists isolated the gene for green opsins from 11 species of scorpionflies, snow fleas, and true fleas.’
    • ‘There are some species of snow flea however that does not have this organ.’
    • ‘Some people become worried by the vast numbers of snow fleas and their sudden appearance on the ground.’
    • ‘They note that the snow flea antifreeze proteins do not resemble the antifreeze proteins of moths and beetles, which are rich in another amino acid, threonine.’
    • ‘A new antifreeze protein discovered in tiny snow fleas by Canadian researchers may allow organs to be stored longer before being transplanted.’
    • ‘Scientists have discovered new secrets from a tiny snow flea that can survive in freezing conditions.’
    • ‘In adapting to life on ice, algae have provided food for the snow flea and many other wee creatures of the ice.’
    • ‘Their name aside, snow fleas are not fleas and they never bite.’
    • ‘Although we typically find snow fleas in March, you may see them anytime during the winter.’
    • ‘One kind of snow flea eats smaller springtails, but when the sap rises late in winter, most species congregate near outbreaks of the sweet flow.’