Discovering and Exploring the Leaf-feeding Insects in Our Region

Pacific Northwest (PNW) Defoliators

What's Eating My Plants
Identify Defoliators on: Pear Trees

Species listed here are the most common defoliators of pear trees in the Puget Sound region. Species are listed from most widespread and abundant to least common and or of limited distribution (2007 data).

Type of Defoliation Species When Where Status
Leaf -rollers
Leaf roller damage
Leaf roller
Partial roll
European leaf-roller European leafroller
Archips rosanus
April-
June
Wide-
spread
Exotic,
here
since
1960's
Oblique-banded leafroller Oblique-banded leafroller
Choristoneura rosaceana
April-
June
Wide-
spread
Native
Dark fruit tree tortrix Dark fruit tree tortrix
Pandemis heparana
April-
June

W. Wash
& BC
region

Exotic,
here
since
1970's

Tent makers
tent makers
Tent damage_Fall webworm
Photo by Robin Rosetta
Species When Where Status
Tent caterpillar Tent caterpillar
Malacosoma constrictum
April-
June
Wide
spread
Native
Fall webworm Fall webworm
Hyphantria cunea
July-
Sept or
Oct.
Wide
spread
Native
 

 

Tip Wadders
wadder
Species When Where Status
Eye-spotted budmoth larva Eye-spotted bud moth
Spilonota ocellana
April-
June
Wide
spread
Exotic
 

Secondary content using h2 tag. Column 2

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