noun
: a small black leaping springtail ( Achorutes nivicolus ) often found in early spring on the snow in vast numbers in the eastern United States ; broadly : any of several collembolans with similar habits
noun
: a small black leaping springtail ( Achorutes nivicolus ) often found in early spring on the snow in vast numbers in the eastern United States ; broadly : any of several collembolans with similar habits
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012