Contents: By Damage and Image
(In progress)
Contents: Alphabetical
alder flea beetle
aphid management
apple and thorn skeletonizer
apple ermine moth
ash whitefly new
azalea bark scale
azalea lace bug Updated
bark lice
Barypeithes root weevil
Beneficial nematodes
biocontrol of root weevils
birch aphid
black stem borer
bluegum psyllid
branch and twig borer
brown marmorated stink bug

bronze birch borer
boxwood leafminer
boxwood psyllid
bulb flies
carpet beetle New
Calligraph californica

Ceanothus stem gall moth
cereal leaf beetle
cherry ermine moth
chilli thrips
cinnabar moth
clay colored weevil
cottony camellia scale
cutworm Updated
cypress tip moth

dogwood sawfly
Douglas fir sawfly
Douglas fir twig weevil
elm leafminer
European pine shoot moth
European shot-hole borer Updated
European wool carder bee
emerald ash borer
Fall webworm
flatheaded cedar borer
hollyhock weevil
honeylocust plant bug
honeylocust pod gall midge
Heliothis phloxiphaga
holly bud moth
huckleberry root aphids
ground mealybug
lady beetle gallery
leaf weevil
light brown apple moth
maple tip moth
maple midge
March flies
mountain ash sawfly
spruce aphid on spruce
oak ambrosia beetle
oak slug
obscure root weevil
Pacific flatheaded borer
peach tree borer
peach twig borer
pear psylla
pear leaf-curling midge
pear sawfly New
pine needle scale
poplar and willow borer
rose curculio weevil
rose midge
sequoia pitch moth
speckled green fruitworm
tent caterpillars
viburnum leaf beetle
violet gall midge
western poplar clearwing
western spotted cucumber beetle
white pine weevil
woolly ash aphid

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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.

Web Resources:

Elmhirst, J. 2004. Final Report on Rose, Salix and Acer Midge Trials in British Columbia

Curled, bunched leaves from midge damage
maple midge damage
Photo: Rosetta
Curled leaves from maple midge
maple midge damage
Photo: Rosetta
Early midge damage shown by curling, folding of leaves.
maple midge curled leaves
Photo: Rosetta
Leaves are folded and beginning to blacken (necrosis)
Leaves fold and blacken
Photo: Rosetta
Leaf is folded over and nearly black
Leaf is folded and blackened
Photo: Rosetta
Close up of distorted leaf
close up of distorted leaf
Photo: Rosetta
Maple midge larvae
maple midge larvae
Photo: Todd Murray
Midge cocoons near veins (pupa on left)
maple midge cocoons
Photo: Rosetta
Pupa and pupal cocoon of midge
maple midge pupa
Photo: Rosetta
Midge damage on vine maple
midge damage vine maplePhoto: Janice Elmhirst
Website editor:
Robin Rosetta

Page last modified 8/5/11


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