Ponderous Borer vs Giant Jawed Longhorn
Side-by-side species comparison
| Attribute | Ponderous Borer | Giant Jawed Longhorn |
|---|---|---|
| Scientific Name | Trichocnemis spiculatus | Macrodontia dejeanii |
| Order | Coleoptera | Coleoptera |
| Family | Cerambycidae | Cerambycidae |
| Size | 40-60 mm | 50-85 mm |
| Habitat | Ponds & Lakes | Forests |
| Diet | Wood Feeders | Wood Feeders |
| Regions | Western United States, British Columbia | Brazil, Paraguay, Argentina |
| Conservation | Least Concern | Least Concern |
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.
Giant Jawed Longhorn
A large prionine with impressive curved mandibles from the tropical forests of South America. While smaller than the famous M. cervicornis, it is still a formidable insect. Males use their enlarged mandibles in combat over females.
Did You Know?
The mandibles of males can account for nearly a third of total body length and are used like antlers in combat.