deerfly

plural deerflies · alternative deer fly

1. Any of various species of fly which feed on deer, principally in genus Chrysops.

   It was not a horsefly and it was not a deerfly; it was bigger than either.

   2017, Neil Gaiman, Norse Mythology, Bloomsbury Publishing, page 36

   2 more examples

   When the sun comes out, it is totally delightful, except for the mosquitoes, and the blackflies, and the deerflies.

   2004, Richard Fortey, The Earth, Folio Society, published 2011, page 161

   The basement was flooded and the couch was growing mildew, so we sat outdoors in the shadows of the trees in a screened tent with deerflies and mosquitoes buzzing outside.

   2010, Siddhartha Mukherjee, The Emperor of all Maladies, Fourth Estate, published 2011, page 149