Discovering and Exploring the Leaf-feeding Insects in Our Region

Pacific Northwest (PNW) Defoliators

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

Species listed here are the most common defoliators of maple 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
Apple tortix Apple Tortix
Archips fuscocupreanus
May
Puget
Sound region
Exotic,
here
since
1990's
Oblique-banded leafroller Oblique-banded leafroller
Choristoneura rosaceana
April-
June
Wide-
spread
Native
 

Secondary content using h2 tag. Column 2

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