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Laricobius rubidus
Photo#42165
Copyright © 2006
Jim McClarin
Tooth-necked Fungus Beetle -
Laricobius rubidus
Hudson, Hillsborough County, New Hampshire, USA
February 3, 2006
Size: 2.5 - 2.6 mm
Millimeter marks visible through bottom of clear plastic deli container.
Images of this individual:
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Contributed by
Jim McClarin
on 5 February, 2006 - 3:19pm
Last updated 12 June, 2012 - 5:20pm
Derodontidae: Laricobius rubidus
It is a derodontid. Of the two NH species I am pretty sure it is Laricobius rubidus, but will check tomorrow.
…
Donald S. Chandler
, 5 February, 2006 - 8:12pm
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That's great! Thanks Don.
Tooth-necked Fungus Beetle, another new family for bugguide!
…
Jim McClarin
, 5 February, 2006 - 8:46pm
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Derodontidae: Laricobius rubidus
It is indeed Laricobius rubidus.
…
Donald S. Chandler
, 6 February, 2006 - 6:37pm
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The thing about Laricobius ru
The thing about Laricobius rubidus is that it's a predator, not a fungus eater. It preys mostly on pine bark adelgid, so could it be possible that it was just hibernating or something in the fungus?
http://everest.ento.vt.edu/~salom/ForEnt/Can_Ent_03.pdf
Here's an article about Laricobius beetles.
…
Crystal Maier
, 1 April, 2006 - 10:59am
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Ahhh!
Thank you, Crystal, for explaining why I'm striking out at finding another one by pawing through mountains of slimy fungi :-) I suspect the one I found had been hibernating.
I notice the article is about a different species, L. nigrinis.
…
Jim McClarin
, 1 April, 2006 - 11:43am
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Yup, it is, but they have ver
Yup, it is, but they have very similar habits. We often find random rubidus in our nigrinus colony, because rubidus also eats the hemlock wooly adelgid. (They usually come in as stowaways in the food.) : D
…
Crystal Maier
, 1 April, 2006 - 3:42pm
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