any insect, of the Syrphidae family, having wasp-like markings

the hover-fly

Any fly of the insect family Stratiomyidae, which resemble wasps.

Any insect, of the order Trichoptera, having two pairs of hairy wings; they are found near lakes and streams

any insect of the Tephritidae family, whose larvae damage plant tissue.

any fly of the family Sarcophagidae that feed on carrion

Any of 43 species of squirrels, most from the tribe Pteromyini within the family Sciuridae, others from family Anomaluridae, which glide from tree to tree.

Used other than figuratively or idiomatically: see flying, fish.

(idiomatic) Something (especially a minor thing) which ruins or spoils everything else, or makes it less pleasant; a nuisance or problem; a disagreeable or unpleasant detail.

Alternative spelling of botfly