Greenhead flies - definition of greenhead flies by The Free Dictionary
greenhead (redirected from greenhead flies)
Also found in: Medical
1. A male mallard duck.
2. Any of several horseflies having green eyes, found especially in coastal regions.
(Animals) a male mallard
References in periodicals archive
It's a much better time for birding and walking the beach at Plum Island than the middle of the summer when the greenhead flies
are out and the piping plovers are nesting," she says.
Bites from greenhead flies
and the tiny flying pinheads that locals call "noseeums" are fees, like beach parking, paid only from Memorial Day through Labor Day.