Eucnemid larvae of the Nearctic region. Part V: Fifth instar larval descriptions for eight species of Microrhagus Dejean, 1833 (Coleoptera: Eucnemidae: Melasinae: Dirhagini), with descriptions of four new species and notes on their biology

Authors

Robert L. Otto, 2301 Cypress Way Apt. 22 Madison, WI 53713Follow

Document Type

Article

Date of this Version

6-5-2015

Citation

Insecta Mundi 0421: 1–46

Published in 2015 by Center for Systematic Entomology, Inc. P. O. Box 141874 Gainesville, FL 32614-1874 USA http://centerforsystematicentomology.org/

Comments

Copyright held by the author. This is an open access article distributed under the terms of the Creative Commons, Attribution Non-Commercial License.

Abstract

Fifth instars for eight of the nine species of Microrhagus Dejean (Coleoptera: Eucnemidae: Melasinae: Dirhagini), all endemic in the Nearctic region, are described and illustrated. Biological information is provided, along with a brief discussion of the larval morphology among the eight Nearctic species of Microrhagus. Adult descriptions are provided for four new species. These new species include Microrhagus breviangularis new species, Microrhagus carinicollis new species, Microrhagus lecontei new species and Microrhagus opacus new species. A checklist and identification keys for both adults and most known larvae are provided.