Hyporhagus
Thomson, 1860
opossum beetles
Species Guides
2- Hyporhagus gilensis
- Hyporhagus punctulatus(opossum beetle)
Hyporhagus is a of opossum beetles in the Zopheridae, established by Thomson in 1860. The genus contains approximately six described distributed across North America. These beetles belong to the group commonly known as "opossum beetles" or "ironclad beetles," recognized for their heavily sclerotized . Species have been recorded from the southwestern United States through Mexico.
Pronunciation
How to pronounce Hyporhagus: //haɪˈpɔr.ə.ɡəs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Hyporhagus are distinguished from other zopherid by their compact, convex body form and heavily sculptured, often matte or opalescent . The genus can be separated from the superficially similar genus Zopherus by differences in antennal structure and pronotal shape. Species-level identification requires examination of male genitalia and subtle differences in elytral punctation and coloration.
Images
Distribution
Southwestern United States (Arizona, New Mexico, Texas, California) and Mexico. Specific distribution varies by : H. gilensis and H. opaculus occur in the southwestern US and northern Mexico, while H. punctulatus and H. valdepunctatus have broader Mexican distributions.
Similar Taxa
- ZopherusBoth belong to Zopheridae and share the heavily armored, convex body form typical of ironclad beetles. Hyporhagus differs in having shorter, less clubbed and a more rounded pronotal margin.
- PhellopsisAnother zopherid with similar flattened, heavily sclerotized appearance. Hyporhagus are more convex and have distinct elytral sculpturing patterns.
More Details
Species diversity
The contains six described : H. gilensis, H. leechi, H. opaculus, H. pseudogilensis, H. punctulatus, and H. valdepunctatus. Several species were described or revised by Freude in 1955, indicating the group was taxonomically refined in the mid-20th century.
Taxonomic history
Thomson described both H. punctulatus and H. valdepunctatus in 1860 when establishing the . LeConte added H. opaculus in 1866, and Horn described H. gilensis in 1872. The genus has remained relatively stable taxonomically with few subsequent revisions.