Hard-exoskeleton
Guides
Zopherus granicollis
ironclad beetle
Zopherus granicollis is a species of ironclad beetle in the family Zopheridae, characterized by exceptionally hard, fused elytra that make specimens notoriously difficult to pin. The species occurs in Central America and North America, with two recognized subspecies: Z. g. granicollis and Z. g. ventriosus. Like other members of the genus, it exhibits nocturnal activity on tree trunks, though specific behavioral details for this species remain poorly documented.
Zopherus granicollis granicollis
Zopherus granicollis granicollis is a subspecies of ironclad beetle in the family Zopheridae, a group known for their exceptionally hard exoskeletons that make them notoriously difficult for entomologists to pin. The genus Zopherus includes species frequently encountered on tree trunks at night, particularly in pine and juniper woodlands of the southwestern United States. This subspecies has been recorded from Middle America and North America.