Actaeon Beetle vs Siam Crown Moth
Side-by-side species comparison
| Attribute | Actaeon Beetle | Siam Crown Moth |
|---|---|---|
| Scientific Name | Megasoma actaeon | Attacus taprobanis |
| Order | Coleoptera | Lepidoptera |
| Family | Scarabaeidae | Saturniidae |
| Size | 50-135 mm | 150-220 mm wingspan |
| Habitat | Forests | Forests |
| Diet | Wood Feeders | Herbivores |
| Regions | South America | Southeast Asia (Myanmar, Thailand) and South Asia (Sri Lanka, India) |
| Conservation | Least Concern | Least Concern |
Actaeon Beetle
Contender for the worlds heaviest beetle — a male larva bred in Japan weighed 228 grams, about the weight of a brown rat. Adults are armored giants of the Amazon.
Did You Know?
A captive-bred Actaeon beetle larva weighed 228 grams — about half a pound — making it the heaviest insect larva ever recorded, heavier than a hamster.
Siam Crown Moth
A large silk moth closely related to the Atlas moth with warm cinnamon-brown wings and distinctive angular wing tips. The wing pattern features complex marbling and translucent triangular windows.
Did You Know?
The translucent wing windows are thought to help confuse predators by allowing the background to show through, breaking up the moth's silhouette.