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

Diagnostic Features
  • Description: Body cylindrical. Antennae 11-segmented with a distinct, 2-segmented club. Antennal setation sparse. Subantennal grooves absent. Eyes well-developed, round, finely faceted. Pronotal disc with pair of large, forward projecting horns. Pronotum longer than wide, lateral margins parallel-sided. Pronotum with a mid-lateral secretory pore situated in a lateral, longitudinal channel. Procoxal cavities narrowly open. Metacoxae narrowly separated, separation less than metacoxal length. Elytral with 9 rows of evenly spaced, round punctures. Abdominal ventrites 1-3 fused, distinctly convex, ventrite 4 narrow, with transverse groove, ventrite 5 flat. Tarsal formula apparently 3-3-3 (actually 4-4-4, tarsomeres 1 and 2 partially fused). Dorsal surface glabrous.
  • Similar genera: The genus Lobogestoria is similar to the genus Antilissus in having an apparently 3-3-3 tarsal formula and grooved pronotum, but Lobogestoria is easily distinguished by the large, horn-like projections of the pronotum extending well over the head.
Known Distribution
  • Southeastern (AL, FL, GA, SC) and South Central (LA) United States.
Probable Distribution
  • South Central United States (MS).
Biology
  • Nothing is known about the biology of this group.

  • Abundance: Rare.
North American Species (1)

Lobogestoria gibbicollis Reitter, 1878

Discussion
  • This genus is also found in Cuba, parts of South America, and the Australo-Pacific region. It has likely been introduced into the United States.
Selected References  

Lobogestoria gibbicollis
© 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.