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Photo#482673
Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus

Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus
Rest Area in Dutton on I-15, Teton County, Montana, USA
July 8, 2010
Size: ~ 2 mm
Please help with ID.

Images of this individual: tag all
Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus Pea weevil from Montana (1) 10.07.08 - Acanthoscelides fraterculus

Moved tentatively; can't exclude A. lobatus
the latter isn't listed for MT but is for ND; the only reliable difference, short of male parts, seems to be the "setose lobe and rounded depression on 1st abdominal segment" in lobatus males but i can't be sure of this one's sex

Moved from Acanthoscelides.

 
This should be a female -
based on Kingsolver 2004, who notes that the 5th sternum is deeply emarginate in males of both of these species, vs. unmodified in females.

Moved
Moved from Beetles.

Acanthoscelides??
???

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