Contents: By Damage and Image
In progress
Contents: Alphabetical

alder flea beetle
aphid management
apple and thorn skeletonizer
apple ermine moth
ash whitefly
azalea bark scale
azalea lace bug
azalea sawfly
Bagrada bug
bark lice
Barypeithes root weevil
Beneficial nematodes
biocontrol of root weevils
birch aphid
black bean aphid
black cherry aphids
black stem borer
bluegum psyllid
Boisduval scale
branch and twig borer
brown marmorated stink bug

bronze birch borer
boxwood leafminer
boxwood psyllid
bulb flies
cabbage whitefly
carnation tortrix
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

crane flies
cypress tip moth

dogwood sawfly
Douglas fir sawfly
Douglas fir twig weevil
elm leafminer
European pine sawfly new
European pine shoot moth
European wool carder bee
emerald ash borer
Fall webworm
fir coneworm new
flatheaded cedar borer
ground beetle gallery
Hemerocallis gall midge new
hollyhock weevil
honeylocust plant bug
honeylocust pod gall midge
Heliothis phloxiphaga
holly bud moth
huckleberry root aphids
ground mealybug
Japanese beetle
lady beetle gallery
leaf weevil
light brown apple moth
Linden aphid new
lupine aphid new
Macrosiphum rhamni new
maple aphids
maple tip moth
maple midge
March flies
mountain ash sawfly
Myzocallis sp. on red oak new
Narcissus bulb fly
natural enemies gallery
oak ambrosia beetle
oak slug
oak twig gall wasp
obscure root weevil
Pacific flatheaded borer
peach tree borer
peach twig borer
pear blight beetle
pear psylla
pear leaf-curling midge
pear sawfly
pine needle scale
pine and cone spittlebug
poplar and willow borer
Psyllopsis fraxinicola
rose curculio weevil
rose midge
rove beetle gallery
rose stem girdler
sequoia pitch moth
soldier beetle gallery
snapdragon plume moth new
snakefly gallery
speckled green fruitworm
meadow spittlebug
spotted asparagus beetle
spruce twig aphid
tent caterpillars
viburnum leaf beetle
violet gall midge
western poplar clearwing
western spotted cucumber beetle
white pine weevil
woolly alder aphid new
woolly ash aphid
woolly beech aphid

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Lacebugs on Oemleria

Lacebugs can cause extensive damage on Oemleria, Indian plum. The lace bug found on Oemleria in Oregon has been identified as Corythucha nr. mollicula Osborne & Drake (LaBonte, J. Oregon Department of Agriculture, pers. comm.). By mid-July much of the foliage is affected, many leaves nearly white from damaged cells. The damage may look similar to that of thrips though generally the fecal spotting is much larger.

Lacebugs can also be a problem on azalea, pyracantha, oak, rhododendron (more images available including new shots of the eggs), toyon, and coyote bush.

Rhododendron lace bug

Stephanitis rhododendri ID photos: Adult Damage Egg Immature

Pest description and crop damage Overwinters in egg stage. Eggs are laid in the midrib on the underside of leaves. Eggs hatch in late May or early June. There is probably one generation a year in Oregon.

Leaves are yellow and stippled. Undersides of leaves are dirty.

Notes For more information, see page 424 in W.T. Johnson and H.H. Lyon (1991) Insects That Feed on Trees and Shrubs, 2nd ed. Cornell University Press. 560 pp.

University of Kentucky: Plant Bugs and Lacebugs

Maryland Cooperative Extension: Lacebugs

Morris Arboretum/Penn State Plant Clinic: Lacebugs

Ohio State University Extension Fact Sheet: Lacebugs

Rutgers Cooperative Extension: Lacebugs: Lifecycle, Monitoring, and Pest Management in New Jersey
This PDF has some very nice information of various lacebugs, their biology and life cycles, and a variety of management strategies including resistant cultivars, biological, cultural, and chemical management.


Original version: <10 July 2009)

Last update <20 July 2017>

Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University/NWREC.

Lacebug damage on Oemleria
lacebug damage
Photo: Rosetta, OSU
Severe lacebug damage on Oemleria
Lacebug damage on Oemleria
Photo: Rosetta
Close shot of lacebug damage on Oemleria
Close shot of damage
Photo: Rosetta, OSU
Mild to severe damage on leaf
mild to sever damage
Photo: Rosetta, OSU
Closeup of damage on top of leaf
damage on top of leaf
Photo: Rosetta, OSU
Fecal spots on leaf
fecal spots
Photo: Rosetta, OSU
Adult lacebug
adult lacebug
Photo: Rosetta, OSU
Lacebug nymph
lacebug nymph
Photo: Rosetta, OSU
Website editor:
Robin Rosetta

Page last modified 7/20/17


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