Unknown Beetle - Pycnomerus thrinax - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Tenebrionoidea » Ironclad Beetles (Zopheridae) » Ironclad Beetles (Zopherinae) » Pycnomerini » Pycnomerus » Pycnomerus thrinax

Photo#1318474

Copyright © 2016 Susan Leach Snyder

Unknown Beetle - Pycnomerus thrinax

Naples , Collier County, Florida, USA
March 22, 2016
Size: 2.8 mm

This beetle was living in leaf litter beneath a saw palmetto is a sandy, scrub area.

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Contributed by Susan Leach Snyder on 30 November, 2016 - 5:10pm
Last updated 6 December, 2016 - 2:43pm

Moved, Pycnomerus thrinax

Good job!

Moved from Beetles.

… Blaine Mathison, 6 December, 2016 - 2:43pm

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Tommy McElrath suggested Pycnomerus thrinax...

...and i think it's a great call

… v belov, 1 December, 2016 - 12:49pm

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thanks

I was also looking among Pycnomerus but could not find a match

… Blaine Mathison, 2 December, 2016 - 8:19am

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Thanks so much

to both of you! It certainly looks similar, and it is within the correct size range (2.3 - 2.8mm), but the ventral surface, pronotum and elytra do not appear to be punctate as described in Insecta Mundi, Vol. 14, No. 4, December, 2000, in which the species is described by Michael A. Ivie and Stanislaw Adam Slipinski. The specimen in BugGuide that is linked has round punctate marks as Ivie and Sliminski describe.

I'll be able to examine this specimen next week and take better resolution photos of those surfaces.

I was able to look again at the specimen today and it definitely does have round punctate marks on the dorsal portion of the head, pronotum, elytra, and ventral surface. I'd have to agree that it fits the characteristics of Pycnomerus thrinax.

Thanks again for the help.

… Susan Leach Snyder, 1 December, 2016 - 1:51pm

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I was able

to look again at the specimen today and it definitely does have round punctate marks on the dorsal portion of the head, pronotum, elytra, and ventral surface. I'd have to agree that it fits the characteristics of Pycnomerus thrinax.

Thanks again for the help.

… Susan Leach Snyder, 6 December, 2016 - 2:35pm

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