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
azalea sawfly New
bark lice
Barypeithes root weevil Updated
Beneficial nematodes
biocontrol of root weevils
birch aphid Updated
black bean aphid New
black stem borer
bluegum psyllid
branch and twig borer
brown marmorated stink bug

bronze birch borer
boxwood leafminer
boxwood psyllid Updated
bulb flies
cabbage whitefly new
carpet beetle (images)
Calligraph californica

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

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

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Entomopathogenic nematodes

Entomopathogenic or beneficial nematodes have been used quite successfully for insect management. In Pacific Northwest nursery production they are used primary for suppression of root weevil and fungus gnat larvae. There are several useful sites with information about using nematodes for insect management.

An updated resource Pacific Northwest Extension Publication, PNW 544, Using Entomopathogenic Nematodes for Crop Insect Pest Control is nice place to start learning about use of nematodes for pest control. The authors are Carol Miles, Caitlin Blethen, Randy Gaugler, David Shapiro-Ilan, Todd Murray. Revised May 2012.

The most resource-packed website concerning the use of entomopathogenic or beneficial nematodes is that of Ohio State
Ohio State's Insect Parasitic Nematode Site. Included at this site is a list of Commercial Sources of Insect Parasitic Nematodes and the very informative workshop proceedings, Optimal Use of Insecticidal Nematodes in Pest Management.

We held a very hands-on workshop in Oregon that has practical information particulary concerning application techniques
Proceedings of the Beneficial Nematode Workshop, Sept. 7, 2000. NWREC, Aurora, OR

This work concerns strawberries but can be useful understanding field applications for root weevil control. Please note the importance of debris removal
WSU Vacouver/Lynden Research Report

Just for fun, check out the following creative website about nematodes

Suppliers of Biological Control Agents:

Suppliers of Beneficial Organisms in North America

Association of Natural Biocontrol Producers

Suppliers not included on other supplier lists include:

Becker Underwood Nemadode Biopesticides

Website editor:
Robin Rosetta

Page last modified 7/26/12


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