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Nemo - Zonitis

Nemo - Zonitis
Iosepa, Skull Valley (N40°32.509'W112°44.000'ele4516'), Tooele County, Utah, USA
August 16, 2008
Size: 11mm
Collected on Cleome serrulata. Any brave soul that wishes to propose a species will be applauded (clap, clap).

Images of this individual: tag all
Nemo - Zonitis Nemo - Zonitis Nemo - Zonitis Nemo - Zonitis

Zonitis sp.
John Pinto det.

Moved from Nemognatha.

Beak-like Maxilla?
Nice photos. Perhaps the long "beak-like" maxilla typical of the genus broke off on this specimen? Or perhaps some species of Nemognatha lack such a "beak"? Your photos got me wondering about that.

The beak-like maxilla can be seen in various BugGuide posts: e.g. .

On the other hand, some posts also seem to lack such a beak, for instance this one .

If some Nemognatha species (or similar looking genera) do lack long maxilla, that could help in narrowing down the ID of your specimen.

Another possibility might be sexual dimorphism, i.e. females could have a beak while males might not. Hopefully a knowledgeable coleopterist out there will be able to clarify this.

The maxilla
was not noticed on the numerous individuals on the plant, although I'll revisit the image series just to make sure, appreciate the information.

was not present on any of the specimens photographed. I'll make a note for next year to look for these earlier in the season.

It may take a while, but with luck a beetle aficionado may happen upon this thread and be able to shed more light on the situation. (I hope so, as I'm rather curious :-) Again, I enjoyed viewing your images, thanks for posting them.

Maybe not Nemognatha but Zonitis
if those long mouth parts are missing

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