Carpophilus 04 - Carpophilus nepos - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Cucujoidea » Nitidulid series » Sap-feeding Beetles (Nitidulidae) » Carpophilinae » Carpophilus » subgenus Myothorax (Carpophilus subgenus Myothorax) » Carpophilus nepos

Photo#488231

Copyright © 2011 Brad Barnd

Carpophilus 04 - Carpophilus nepos

Hancock County, Indiana, USA
September 9, 2010
Size: 2.25 mm

Another Carpophilus found on and under watermelon rinds.

A light colored C. discoideus?

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Contributed by Brad Barnd on 1 February, 2011 - 11:20pm
Last updated 21 December, 2021 - 11:20am

Moved

Moved from Cornsap Beetle.

… Brad Barnd, 2 February, 2011 - 6:56pm

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Moved

Moved from Carpophilus.

… Brad Barnd, 2 February, 2011 - 2:17pm

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try freemani, too -- although discoideus is a good call, too

can't tell from the pic. -- not enough resolution

… v belov, 2 February, 2011 - 10:58am

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I ran it through the Parsons key again...

I end up with dimidiatus. Fits the description very well and also matches the images linked to on the info page. Plus these were collected on the edge of a cornfield, so... :)

… Brad Barnd, 2 February, 2011 - 2:19pm

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caveat

Parsons treated mutilatus as synonymous; now both are considered spp. in good standing, and i don't know the formal characters... ah! for what it's worth, summarizing the relevant key couplets from(1) [if i interpret the Russian correctly!]:
...
Antennomere 2 much shorter than 3. Hypomeron coarsely and densely punctate all over, with surface between punctures smooth and shiny. => dimidiatus
Antennomeres 2 & 3 subequal. Hypomeron impunctate but coarsely granulate, w/surface microreticulate between granules => mutilatus + several other spp.

… v belov, 2 February, 2011 - 5:01pm

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well

Under closer inspection, the hypomeron is granulate. I don't see a swelling on the hind femora that would indicate C. fumatus. The elytral punctures appear longitudinally divided, so I suspect C. freemani.

… Brad Barnd, 2 February, 2011 - 6:06pm

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nice to see my intuinitial guess vindicated...

...although i would definitely choose a new sp for the guide anytime ))

… v belov, 2 February, 2011 - 8:19pm

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great

must alert Beatriz -- another cosmo alien

… v belov, 2 February, 2011 - 2:36pm

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