Maple midge

This midge can be found on maples in the Pacific Northwest. It is thought that it is a Dasineura species.
Silver maple, 'Autumn Blaze' maple, and vine maple have been reported with damage.

Curled, bunched leaves from midge damage

Photo: Rosetta

Curled leaves from maple midge

Photo: Rosetta

Early midge damage shown by curling, folding of leaves.

Photo: Rosetta

Leaves are folded and beginning to blacken (necrosis)

Photo: Rosetta

Leaf is folded over and nearly black

Photo: Rosetta

Close up of distorted leaf

Photo: Rosetta

Maple midge larvae

Photo: Todd Murray

Midge cocoons near veins (pupa on left)

Photo: Rosetta

Pupa and pupal cocoon of midge

Photo: Rosetta

Midge damage on vine maple
Photo: Janice Elmhirst

Page last modified 7/22/05