Any of several flies that destroy wheat crops, such as the Hessian fly and Contarinia tritici, also known as wheat midge and by other common names.

(informal) wretched or sordid; mean

Epicauta vittata, the striped blister beetle, a pest on potato crops.

plural of fly bomb

Alternative form of flywire

Any fly of the family Mydidae, generally large in size.

A system of theatrical rigging, using ropes, blocks, etc., allowing the stage crew to fly (hoist) components such as curtains, lights and scenery.

plural of fly system

(obsolete) A ladybird.

(idiomatic) An argument or fight is instigated.