A female fruit fly.

Male Fruit Fly

A female fruit fly.

A fmale fruit fly.

Female Fruit Fly

A fmale fruit fly.

A fly which inhabits the lakes of western North America.

Puxi Fly

A fly which inhabits the lakes of western North America.

An illustrative look on the life cycle of a gnat. A,larva; b, pupa; c, perfect insect emerging; d,male; and e, female gnat.

Life Cycle of a Gnat

An illustrative look on the life cycle of a gnat. A,larva; b, pupa; c, perfect insect emerging; d,male;…

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera, called in America mosquito." -Whitney, 1911

Mosquito

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera,…

"The maple spot gall, so common on the leaves of the red maple, is made by the fungus-gnat of the order Diptera." — Davison, 1906

Maple spot gall

"The maple spot gall, so common on the leaves of the red maple, is made by the fungus-gnat of the order…

A bird of South America.

Black Cheeked Ant Thrush

A bird of South America.