Have you reviewed the intro to midges page? We recommend reading the intro before continuing on.

Identifying Characteristics of the Midge

Larva
1) Size range from 1/16″ to 3/4″
2) Long slender worm like body
3) Distinct head
4) Has a pair of prothoracic prolegs and a pair of terminal prolegs
5) Terminal segment has short tufts of hair

Pupa
1) Most species live within cocoons attached to rocks or vegetation
2) Some are free swimming
3) Defined wing pads

Adult
1) Two wings
2) Antennae are generally longer than the head and have hairs
3) Wings are delta shaped

Larva	Pupa	Adult