Japanese Giant Ichneumon vs Giant Fijian Long-horned Beetle
Side-by-side species comparison
| Attribute | Japanese Giant Ichneumon | Giant Fijian Long-horned Beetle |
|---|---|---|
| Scientific Name | Megarhyssa praecellens | Xixuthrus terribilis |
| Order | Hymenoptera | Coleoptera |
| Family | Ichneumonidae | Cerambycidae |
| Size | 30-45 mm body, ovipositor up to 80 mm | 60-90 mm |
| Habitat | Forests | Forests |
| Diet | Wood Feeders | Wood Feeders |
| Regions | Japan, Eastern Asia | Oceania (Fiji - Viti Levu) |
| Conservation | Least Concern | Endangered |
Japanese Giant Ichneumon
One of the largest ichneumon wasps in Asia with a remarkably long ovipositor. It parasitizes wood-boring horntail larvae in Japanese forests.
Did You Know?
Japanese naturalists have studied this species since the Edo period, and it appears in historical entomological scrolls.
Giant Fijian Long-horned Beetle
An extremely large longhorn beetle from Fiji, among the biggest cerambycids in the Pacific. It develops in large fallen and standing dead trees in native tropical forest. Habitat destruction has made it increasingly rare.
Did You Know?
The species name 'terribilis' refers to the fearsome appearance and large mandibles of this beetle, which can give a painful bite.