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Photo#327730
Chocolate & Vanilla Moth - Gypsonoma aceriana

Chocolate & Vanilla Moth - Gypsonoma aceriana
Madrona Marsh Preserve, Los Angeles County, California, USA
May 30, 2009
Size: ~ 10 mm
Resembles some Tortricids, in particular some Epiblema, but none seem to match well ...

Help with ID is much appreciated.

Images of this individual: tag all
Chocolate & Vanilla Moth - Gypsonoma aceriana Chocolate & Vanilla Moth - Gypsonoma aceriana

Not convinced this is G. aceriana.
I think it is more likely an unusually-marked Gypsonoma substitutionis or G. salicicolana.

 
Thanks for your feedback, Kyle !
It is indeed not a perfect visual match for G. aceriana and there have not been any other records south of Oregon that I know of.

G. substitutionis appears to be consistent in having a white central band and (orange)brown, gray, and white patterning apically.
G. salicicolana has been described as polymorphic in color and has been recorded from Los Angeles County.

Which aspects do you think don't match G. aceriana?

Moved
Emile, next time you need a new guide page, pls post a request HERE

Moved from ID Request.

 
Thanks, V !
Thanks for explaining how to request a new BugGuide page.

Can these images be moved to a new species guide page ?
That would be much appreciated.

Probably 3229.2 - Gypsonoma aceriana
.... an invasive from Europe, known at least in the State of Washington, not previously recognize from the L.A. area. (no rsvp, thanks)

 
Thanks a lot, Bob and Jerry, for the ID !
Indeed, Gypsonoma aceriana, also known as the European Poplar Shoot Borer, has been spreading fast though most of Western Washington State since its discovery in Washington in 1998.
It had reached the border of Oregon by 2001.

Even though this seems to be the first record in California, it has likely spread southwards from Oregon.

The closest related species is Gypsonoma haimbachiana from the Eastern United States, which has a different wing coloration pattern.

Not in MPG Library at the Moment
Please contact me at BPatter789@aol.com regarding permission to display on Plates at Moth Photographers Group photos of moths/larvae that you post here. Thanks, B.P.

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