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Ants, Bees, Wasps and Sawflies (Hymenoptera)
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Wood ants, mound ants, & field ants (Formica)
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rufa group (Formica rufa group)
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Formica obscuriventris
Photo#388551
Copyright © 2010
tom murray
Ant -
Formica obscuriventris
Groton, Middlesex County, Massachusetts, USA
April 24, 2010
Size: 6mm
There were a lot of these ants under a rock.
Images of this individual:
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Contributed by
tom murray
on 25 April, 2010 - 9:41am
Last updated 26 April, 2010 - 5:12pm
Moved
Moved from
rufa group
.
Thanks Ben, your reasoning sounds good, and it matches up well.
…
tom murray
, 26 April, 2010 - 5:12pm
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not integra
Not an expert, but I don't think this is
integra
. I can make out lots of hairs on the head and pronotum of this ant, whereas
integra
is essentially hairless here. Perhaps this is
obscuriventris
?
…
Ben Coulter
, 26 April, 2010 - 10:05am
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Moved
Moved from
Carpenter Ants
.
Richard, thanks for correcting my mistake. The habitat was unusual for Formica rufa group, but it sure does look like it belongs with this group.
…
tom murray
, 25 April, 2010 - 12:29pm
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Oops! Formica Ant (Formica sp.)
Dark legs and clypeus without a notch suggest a member of the rufa-group, maybe F. integra. On the other hand, a nest under a rock, rather than a mound of "thatch", doesn't match well with the rufa-group. Advice of a North-American expert is needed.
…
Richard Vernier
, 25 April, 2010 - 11:41am
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