Nematocera (includes Eudiptera)
True flies are insects of the order Diptera (from the Greek di = two, and ptera = wings). Their most obvious distinction from other orders of insects is that a typical fly possesses a pair of flight wings on the mesothorax and a pair of halteres, derived from the hind wings, on the metathorax. (Some species of flies are exceptional in that they are secondarily flightless). The only other order of insects bearing two true, functional wings plus any form of halteres are the Strepsiptera, and in contrast to the flies, the Strepsiptera bear their halteres on the mesothorax and their flight wings on the metathorax.
Famous quotes containing the word fly:
“The line-storm clouds fly tattered and swift.
The road is forlorn all day....”
—Robert Frost (18741963)
“I have a very great fear of love. It is so personal. Let each bird fly with its own wings, and each fish swim its own course.Morning brings more than love. And I want to be true to the morning.”
—D.H. (David Herbert)
“Innings and afternoons. Fly lost in sunset.
Throwing arm gone bad. Theres your old ball game.
Cool reek of the field. Reek of companions.”
—Robert Fitzgerald (19101985)