alder flea beetle
aphid management
apple and thorn skeletonizer
apple ermine moth
azaleae bark scale
Barypeithes root weevil
Beneficial nematodes
black stem borer

branch and twig borer
brown marmorated stink bug

bronze birch borer
boxwood leafminer
boxwood psyllid
caterpillars UPDATED
Ceanothus stem gall moth
cherry ermine moth
chilli thrips New
clay colored weevil
cottony camellia scale New
cutworm NEW
craneflies
cypress tip moth

dogwood sawfly New
Douglas fir twig weevil

earwigs
elm leafminer
European pine shoot moth
European shot-hole borer
emerald ash borer
Fall webworm NEW
flatheaded cedar borer
hollyhock weevil New
honeylocust plant bug New
honeylocust pod gall midge
Heliothis phloxiphaga New
holly bud moth New
huckleberry root aphids
ground mealybug
lacebugs
leaf weevil
light brown apple moth NEW
maple tip moth
maple midge
March flies
spruce aphid on spruce
oak ambrosia beetle NEW
obscure root weevil
Pacific flatheaded borer
peach tree borer NEW
peach twig borer NEW
pear psylla NEW
pear leaf-curling midge
pine needle scale
poplar and willow borer
rose curculio weevil
rose midge
roseslug UPDATED
sawflies
scale NEW
sequoia pitch moth
speckled green fruitworm NEW
spittlebug
tent caterpillars
thrips
viburnum leaf beetle
violet gall midge NEW
western poplar clearwing
western spotted cucumber beetle
white pine weevil NEW
whiteflies
woolly ash aphid

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Mountain ash sawfly

Mountain ash sawfly, Pristiphora geniculata (Hartig), was just confirmed present in the summer of 2009 in Snohomish County, Washington State. It is a new western North American record for this insect. Useful links:

Forest Pests: Mountain ash sawfly

Cornell Insect diagnostic lab: mountain sawfly

US Forest Service map of mountain ash sawfly distribution

 

Mountain ash sawfly larva
mountain-ash sawfly larva
Photo: Dave Pehling, WSU
Mountain ash sawfly larva
mountain-ash sawfly larva
Photo: Dave Pehling, WSU
Mountain ash sawfly larvae
mountain ash sawflies
Photo: Norman Buckley
Mountain ash sawfly larvae feeding
mountain-ash sawfly larvae
Steven Katovich, USDA Forest Service, Bugwood.org
Mountain ash sawfly feeding and damage
mountain-ash sawfly and damage
Photo: Dave Pehling, WSU
Damage from mountain ash sawfly
mountain-ash sawfly damage
Photo: Joselph O'Brien, USDA Forest Service, Bugwood.org
Website editor:
Robin Rosetta

Page last modified 8/25/09

 

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