Ironclad ID: Tool for Diagnosing Ironclad and Cylindrical Bark Beetles (Coleoptera: Zopheridae) of North America north of Mexico
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Genus: Acolobicus

Diagnostic Features
  • Description: Antennae 10-segmented with a distinct, 1-segmented club. Antennal setation sparse. Subantennal grooves present, as long as eyes. Eyes large, well-developed, facets moderately coarse. Pronotal disc convex, with several pair of faint. weak carinae. Lateral pronotal margins widest posteriorly, distinctly explanate. Procoxal cavities open. Metacoxae narrowly separated, separation less than metacoxal length. Elytra unicolored, weakly carinate with two fine, well-separated puncture rows between carinae. Elytral margins slightly explanate. Tarsal formula 4-4-4.
  • Similar genera: The genus Acolobicus is similar in general appearance to the genus Eucicones. The absence of carinae on the pronotal disc, presence of thick, flattened, club-shaped setae and variegated dorsal surface serve to distinguish Eucicones.
Known Distribution
  • Southeast (SC, FL), South Central (TX) USA.
Biology
  • Acolobicus erichsoni has been collected at UV/MV lights or from under the bark of dead trees.

  • Abundance: Uncommon.
North American Species (1)

Acolobicus erichsoni (Reitter, 1877)

Selected References  

Acolobicus erichsoni
© N.P. Lord

 

© 2011-2015 Lord, N.P., Nearns, E.H., and K.B. Miller
The University of New Mexico and Center for Plant Health Science and Technology, USDA, APHIS, PPQ.