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Witch Hazel Gall Aphids and Palm Aphids (Hormaphidinae)
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Hamamelistes
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Spiny Witch Hazel Gall Aphid (Hamamelistes spinosus)
Photo#515652
Copyright © 2011
Karl Hillig
Spiny Witch Hazel Gall Aphids -
Hamamelistes spinosus
Ballston Lake, Saratoga County, New York, USA
May 13, 2011
These were in an infold on the bottom of a paper birch leaf. ID help appreciated.
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Contributed by
Karl Hillig
on 13 May, 2011 - 9:05pm
Last updated 14 May, 2011 - 7:12am
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Charley Eiseman
, 14 May, 2011 - 6:52am
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Thanks, Charley.
Looks like they go after more than one kind of birch. I just planted some River Birch and Witch Hazel, but as far as I know we don't have any native trees of either species nearby. Are these adult females?
…
Karl Hillig
, 14 May, 2011 - 7:05am
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