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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Broad-nosed Weevils (Entiminae) » Oriental Broad-nosed Weevils (Cyphicerini) » Cyphicerina » Cyrtepistomus » Asiatic Oak Weevil (Cyrtepistomus castaneus)
Photo#610953
Curculionidae, lateral - Cyrtepistomus castaneus
Copyright © 2012 MJ Hatfield

Curculionidae, lateral - Cyrtepistomus castaneus
Ames - Tullamore, Story County, Iowa, USA
July 30, 2011
Size: 6- mm
Good description under Info. (Too bad I didn't pay more attention) Thanks.
I based my (wrong) guess on the big eyes.
Collected on hazelnut, Corylus americana

Images of this individual: tag all
Curculionidae, lateral - Cyrtepistomus castaneus Curculionidae, dorsal - Cyrtepistomus castaneus Curculionidae, ventral - Cyrtepistomus castaneus Curculionidae, head - Cyrtepistomus castaneus
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Contributed by MJ Hatfield on 2 February, 2012 - 2:30pm
Last updated 16 January, 2013 - 3:00pm

no such thing as good description )))
Moved from Green Immigrant Leaf Weevil.
… v belov, 2 February, 2012 - 5:36pm login or register to post comments

 
Rats,
that's why I hate to guess, but then, I hate not to guess as well. Good thing I didn't make the final label.
… MJ Hatfield, 2 February, 2012 - 5:48pm login or register to post comments

 
you've posted the most revealig mugshot:

it perfectly shows the 'rooftop' position of the scrobe, which is rather socket-like in this beast --vs entirely lateral, narrow, gutter-like scrobe in that other one, perfectly visible here:
...and hardly visible from above:
the snout design provides high-level diagn. features among entimines (tribe or higher)
various unrelated entimines may look indistinguishable from behind, but a glance at the rostrum will tell scores about their affiliation
… v belov, 2 February, 2012 - 6:25pm login or register to post comments

 
It took a while
but I get it. I was looking all the wrong places. Thanks for the efforts.
… MJ Hatfield, 3 February, 2012 - 2:25pm login or register to post comments

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