Invasive Specieswinter moth

Operophtera spp.
FOUND by Gimaver
North Haven
ID Questioned
Quality checked by spotters
Peer reviewed by naturalists
Field Notes
There were 3 or 4 maple trees in a row on the field we were in. Not sure if the picture is of a moth cocoon.
A sketch of our study site.
Supporting Evidence
Photo of my evidence.
It looks like the pictures online. It was attached to the hardwood tree.
Species Observation: Species Looked For
Did you find it?: 
I think I found it
Scientific name:
Operophtera spp.
Common name:
winter moth
Sampling method: 
Just looking around
Photo of our sampling method.
Place Studied
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Map this species
N 44.128100 °
W -68.874700 °
Observation Site Information
A photo of our study site.
Upland - Developed areas
Trip Information
Downtown North Haven
Trip date: 
Wed, 2012-12-12 13:30
Town or city: 
North Haven
Type of investigation: 
Species Survey
Eastern Coastal


I'm not sure if the moth in the supporting evidence photo is the winter moth though.

field notes photo is of a cocoon of some other moth species. I cannot tell if the supporting evidence photo is winter moth.