Giant Jawed Longhorn vs Long-tailed Giant Ichneumon
Side-by-side species comparison
| Attribute | Giant Jawed Longhorn | Long-tailed Giant Ichneumon |
|---|---|---|
| Scientific Name | Macrodontia dejeanii | Megarhyssa atrata |
| Order | Coleoptera | Hymenoptera |
| Family | Cerambycidae | Ichneumonidae |
| Size | 50-85 mm | 30-50 mm body, ovipositor up to 130 mm |
| Habitat | Forests | Woodlands |
| Diet | Wood Feeders | Wood Feeders |
| Regions | Brazil, Paraguay, Argentina | North America |
| Conservation | Least Concern | Least Concern |
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.
Long-tailed Giant Ichneumon
A large dark-bodied ichneumonid wasp found in eastern North America. Females bore through bark to parasitize pigeon tremex horntail larvae.
Did You Know?
Multiple females often congregate on the same dead tree, drilling simultaneously for hosts.