Thanks, Carie.  I had it narrowed down to the Nolidae, but there are
actually 4 spots and the furthest back has a noticeable white line
posterior to it.  However, given the variability in organisms of all types,
I think three-spotted is close enough.  By the way, sweetgum doesn't grow
as far north as Maine, but witch hazel does, which is listed in the
Petersen guide as a host.

Thanks again,

On Wed, Oct 8, 2014 at 5:57 PM, Carie Nixon <[log in to unmask]> wrote:

> My husband, an entomologist, says:

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