Actaeon Beetle vs Costa Rican Firefly

Side-by-side species comparison

Attribute Actaeon Beetle Costa Rican Firefly
Scientific Name Megasoma actaeon Aspisoma ignitum
Order Coleoptera Coleoptera
Family Scarabaeidae Lampyridae
Size 50-135 mm 8-12 mm
Habitat Forests Forests
Diet Wood Feeders Predators
Regions South America Central America, Costa Rica
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.

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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.

Costa Rican Firefly

A neotropical firefly with a dark body and reddish pronotum bearing a median dark stripe. It produces a bright yellow-green flash and is common in lowland tropical forests of Central America.

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Did You Know?

Central American firefly diversity is thought to rival that of Southeast Asia, though far fewer species have been formally described.