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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Longhorn Beetles (Cerambycidae) » Prioninae » Mallodonini » Mallodon » Hardwood Stump Borer (Mallodon dasystomus)
Photo#523598
Archodontes? or Malledon? - Mallodon dasystomus
Copyright © 2011 Junsuk Kim

Archodontes? or Malledon? - Mallodon dasystomus
Shreveport, Caddo Parish, Louisiana, USA
May 22, 2011
Size: 48mm
I have been collecting this species for a while and found some until now. I always have been identified here, BugGuide, and the results were all Archodontes melanopus, however, my friend keep telling me it is Melladon. So I would like to identify the one I collected on recently, which is a specimen with nice quality with the large sized.

Images of this individual: tag all
Archodontes? or Malledon? - Mallodon dasystomus Archodontes? or Malledon? - Mallodon dasystomus Archodontes? or Malledon? - Mallodon dasystomus
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Contributed by Junsuk Kim on 2 June, 2011 - 4:07pm
Last updated 3 June, 2011 - 6:30am

Moved
Moved from ID Request.
… v belov, 3 June, 2011 - 6:30am login or register to post comments

Mallodon
Archodontes males do not have elongate mandibles that are directed more or less horizontally and their body is more convex.
… Michael C. Thomas, 2 June, 2011 - 4:23pm login or register to post comments

 
Thank You
Thank you for identification, then would you prefer these are also the Mallodon?
http://bugguide.net/node/view/354311
http://bugguide.net/node/view/354312
Their heads are just gotten lowered while they have been pinned. They do not look like A. melanopus as the link the other replier provided.
… Junsuk Kim, 2 June, 2011 - 4:49pm login or register to post comments

 
Both Archodontes
They both are more convex than the present beetle and the pronotum is a different shape and to my eye smaller in proportion to the elytra.
… Michael C. Thomas, 2 June, 2011 - 7:46pm login or register to post comments

 
I am not sure if you can rely onto that characteristic
I've collected some M. dasystomus females with the same pronotum shape as the one in the linked picture. I've seen some variations in pronotum between same species so I don't think you can rely too much on that. The best way to identify the females between A. melanopus and M. dasystomus is that A. melanophus female doesn't have hairy mandibles and it has inner teeth on each mandible. M. dasystomus lacks this characteristic.
… Alan Jeon, 3 June, 2011 - 9:26am login or register to post comments

Not an expert
But if you look at this page you might find your answer. On your picture it looks more like Mallodon, as far as I can judge.
… Gaspard Tanguay-Labrosse, 2 June, 2011 - 4:16pm login or register to post comments

 
Thank You
Thank you for helping on identification. Yes I have been seeing that link page you provided for several times, however, my specimens from long ago, always have been identified as A. melanopus so I was wondered.. These following web addresses are my other two specimens:
http://bugguide.net/node/view/354311
http://bugguide.net/node/view/354312
… Junsuk Kim, 2 June, 2011 - 4:50pm login or register to post comments

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