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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Bostrichoidea » Horned Powder-post Beetles (Bostrichidae) » Bostrichinae » Bostrichini » Lichenophanes » Lichenophanes mutchleri
Photo#134346
no costae on elytra - Lichenophanes mutchleri
Copyright © 2007 Jim McClarin

no costae on elytra - Lichenophanes mutchleri
Nashua, Hillsborough County, New Hampshire, USA
July 27, 2007
Size: about 6 mm
Came to UV lights on warm, humid night. Looks like it belongs in this genus but it has no elytral costae that I can see.

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no costae on elytra - Lichenophanes mutchleri no costae on elytra - Lichenophanes mutchleri no costae on elytra - Lichenophanes mutchleri no costae on elytra - Lichenophanes mutchleri
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Contributed by Jim McClarin on 5 August, 2007 - 8:44pm
Last updated 17 September, 2020 - 2:36pm

Moved
Moved from Lichenophanes armiger.

Yes - no costae on elytra.
This excludes L. armiger, in which the inner costa only is distinct, frequently interrupted into rows of granules, and sometimes not seen beyond anteriour 1/4.

In L. armiger, the pronotal processes are more distinct, while here, it is rather two more prominent tubercles, not much different from those preceeding.

Antennae appear 9-segmented, and no angulation on sides of clypeus seen --> I reach L. mutchleri
(for L. truncaticollis, the pronotal granulation is described "finely, the tubercles becoming rasplike towards apical angles", for mutchleri "coarsely, irregularly tuberculose")

(Fisher 1950 revision used, via google books)
… Boris Büche, 17 September, 2020 - 2:36pm login or register to post comments

Moved
Moved from Lichenophanes.
… Jim McClarin, 12 April, 2008 - 7:28pm login or register to post comments

Tentative ID
Jim, I believe this is L. armiger. I believe I see two forwardly directed processes on the pronotum, which would make it L. armiger. If these are not present, two other species would be possible (L. truncat*icollis or L. mutch*leri).
… Brad Barnd, 10 January, 2008 - 4:32pm login or register to post comments

 
Here's what we have on New Hampshire checklist:
Lichenophanes armiger, bicorn*is, and mutch*leri. Since it does appear to have two stubby horns up front and no costae I say it must be armiger.
… Jim McClarin, 12 April, 2008 - 7:25pm login or register to post comments

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