Pinacate Beetle vs Ponderous Borer
Side-by-side species comparison
| Attribute | Pinacate Beetle | Ponderous Borer |
|---|---|---|
| Scientific Name | Eleodes armata | Trichocnemis spiculatus |
| Order | Coleoptera | Coleoptera |
| Family | Tenebrionidae | Cerambycidae |
| Size | 25-35 mm | 40-60 mm |
| Habitat | Deserts & Drylands | Ponds & Lakes |
| Diet | Detritivores | Wood Feeders |
| Regions | Southwestern North America | Western United States, British Columbia |
| Conservation | Not Evaluated | Least Concern |
Pinacate Beetle
A shiny black desert beetle with spine-like projections on its legs. It performs a distinctive headstand when threatened.
Did You Know?
Its defensive headstand pose is so well known that it inspired the Aztec name 'pinacatl' meaning black beetle.
Ponderous Borer
One of the largest cerambycids in North America, this prionine breeds in the roots and lower trunks of dead ponderosa pines. Adults are dark brown with a somewhat rough body surface. They are nocturnal and attracted to lights.
Did You Know?
Larval development can take up to six years in dry dead wood, one of the longest development times for any beetle.