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Bembidion
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Subgenus Notaphus (Bembidion Subgenus Notaphus)
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rapidum group (Bembidion rapidum group)
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Bembidion rapidum
Photo#574591
Copyright © 2011 Eric Gofreed
beetle eating fungus -
Bembidion rapidum
Fort Washington, Prince George's County, Maryland, USA
September 10, 2011
3 mm or so
Images of this individual:
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Contributed by
Eric Gofreed
on 10 September, 2011 - 7:57pm
Last updated 11 September, 2011 - 1:04am
Moved
Moved from
ID Request
.
…
Brad Barnd
, 11 September, 2011 - 1:04am
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Bembidion sp.
Not a fungus eater.
…
Brad Barnd
, 10 September, 2011 - 8:39pm
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B. (Notaphus) rapidum?
…
v belov
, 10 September, 2011 - 10:20pm
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yes
most likely :)
…
Brad Barnd
, 10 September, 2011 - 10:22pm
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thank you Brad
fungus might not be his regular diet; but he was photographed on fungus and he appeared to be eating it.
…
Eric Gofreed
, 10 September, 2011 - 9:16pm
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yes, B. rapidum
Yes, this is B. rapidum. And, I agree with Peter's comments. It is most likely the beetle was either getting water from the fungus or eating a larva or other arthropod on the fungus. If you see this behavior again, you might collect the beetle straight into 95% ethanol, and its gut contents could be examined / sequenced.
…
David Maddison
, 11 September, 2011 - 10:03pm
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Recommend continued observation at same microhabitat
to confirm that
Bembidion rapidum
is really interested in ingesting fungus food or just after the mositure (dew) or just after very tiny arthropods (dead or alive) on the surface. Larochele & Lariviere (2003) cite only insect larvae/pupae as the food source for this species. Documentation of fungus eating would be a worthwhile scientific endeavor.
…
Peter W. Messer
, 11 September, 2011 - 8:13am
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