Genus Orthosoma

Classification · Numbers · Identification · Remarks · Print References

Maybe a Giant Root Borer? - Orthosoma brunneum

brown prionid (Orthosoma brunneum) - Orthosoma brunneum

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)

Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)

Family Cerambycidae (Longhorned Beetles)

Subfamily Prioninae

Tribe Prionini

Genus Orthosoma

Numbers

Nearctica.com lists one North American species.

Identification

Eleven fimbriate antennomeres (antenna segments). Similar to Derobrachus, but can be differentiated as follows;

Antennomere 3 distinctly longer than 1 and 2 combined, about as long as 4 and 5 together (left) ......... Derobrachus

Antennomere 3 equal in length to 1 and 2, shorter than 4 and 5 (right) ............................. Orthosoma

(Note: Antennomere (Antenna segment) 2 is greatly reduced in both)

Remarks

Bad links in ID section to Cerambycids of Florida replaced with internal BugGuide links to genera 7/19/08 (P. Coin).

Print References

1996. Chemsak, A.J. Illustrated Revision of the Cerambycidae of North America. Vol. I, Subfamilies Parandrinae, Spondylidinae, Aseminae, Prioninae. Wolfsgarden Press, Burbank, ix+150pp., 10 pls.

Contributed by Cotinis on 19 July, 2004 - 4:09pm
Additional contributions by Phillip Harpootlian
Last updated 19 July, 2008 - 9:33am

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