| 释义 |
snow fly
noun
or snow insect
1. : any of several minute insects that constitute a genus (Boreus) of the order Mecoptera and sometimes appear on the snow in great numbers and in the males have vestigial wings but in the female are wingless
2. : any of several small American stone flies (especially Taeniopteryx nivalis or Capnella pygmaea) often seen on snow
3. : snow gnat |