Home / Scarab Beetles (Scarabaeidae) / Actaeon Beetle (Megasoma actaeon)

Actaeon Beetle (Megasoma actaeon)

The Actaeon beetle is a member of the family of scarab beetles. It is one of the heaviest beetles, with the largest specimen recorded at 228 grams (8.04 oz) in 2009, in the northern parts of South America closely equalling a female rat.

Actaeon Beetle

Scientific Classification

  • Family: Scarabaeidae
  • Genus: Megasoma
  • Scientific name: Megasoma actaeon

Physical Description and Identification

Adult

Size: 5–12 cm (2.0–4.7 in)

Color: They are shiny or matte black.

Other Characteristic Features: These beetles have strong legs with tarsal claws. Males have two short, forward-pointing “horn-like” appendages on their pronotum and a larger one with a small-sized tooth on their heads. The females come without horns, also having rough and wrinkled, elytra and pronotum.

Male Actaeon Beetle
Female Actaeon Beetle

Larva

Larvae reach up to 200g in their 3rd instar, the heaviest amongst all insects.

Actaeon Beetle Larvae

Pupa

After maturing, the larvae begin to pupate.

Egg

Females lay their eggs a few centimeters underneath the soil, which takes around 9 months to hatch.

Quick Facts

LifespanAround 3 months
DistributionMexico and countries in South America including Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, and Venezuela
HabitatTropical climates
Seasons activeNot recorded
Host plantsNot recorded,
Diet of adultsFruit like bananas
Megasoma actaeon

Identifying the Damage Caused by Them

No identifiable damage is caused by them.

Did You Know

  • These beetles get their name from the Greek hero Actaeon. He is most well-remembered for spying on the goddess Artemis as she bathed and was turned into a deer by the goddess for his transgressions. 
Actaeon Beetle Picture

Image source: live.staticflickr.com, i.pinimg.com, arachnoboards.com, greenpacks.org, scontent.fccu2-1.fna.fbcdn.net

The Actaeon beetle is a member of the family of scarab beetles. It is one of the heaviest beetles, with the largest specimen recorded at 228 grams (8.04 oz) in 2009, in the northern parts of South America closely equalling a female rat.

Actaeon Beetle

Physical Description and Identification

Adult

Size: 5–12 cm (2.0–4.7 in)

Color: They are shiny or matte black.

Other Characteristic Features: These beetles have strong legs with tarsal claws. Males have two short, forward-pointing “horn-like” appendages on their pronotum and a larger one with a small-sized tooth on their heads. The females come without horns, also having rough and wrinkled, elytra and pronotum.

Male Actaeon Beetle
Female Actaeon Beetle

Larva

Larvae reach up to 200g in their 3rd instar, the heaviest amongst all insects.

Actaeon Beetle Larvae

Pupa

After maturing, the larvae begin to pupate.

Egg

Females lay their eggs a few centimeters underneath the soil, which takes around 9 months to hatch.

Quick Facts

LifespanAround 3 months
DistributionMexico and countries in South America including Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, and Venezuela
HabitatTropical climates
Seasons activeNot recorded
Host plantsNot recorded,
Diet of adultsFruit like bananas
Megasoma actaeon

Identifying the Damage Caused by Them

No identifiable damage is caused by them.

Did You Know

  • These beetles get their name from the Greek hero Actaeon. He is most well-remembered for spying on the goddess Artemis as she bathed and was turned into a deer by the goddess for his transgressions. 
Actaeon Beetle Picture

Image source: live.staticflickr.com, i.pinimg.com, arachnoboards.com, greenpacks.org, scontent.fccu2-1.fna.fbcdn.net

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