Horned Passalus Beetle
Horned Passalus Beetle
Odontotaenius disjunctus
Insecta
COMMON

Stats

Lifespan
1-2 yrs
Size
Large
Diet
Decomposer
Activity
Nocturnal
Social
Colony
Biome
Temperate forest
Range
North America
Movement
Walking
Breeding
Egg-laying
Defense
Armor
Status
Common

About

A glossy black beetle found in rotting logs across eastern North America, known for the single curved horn on its head. It communicates with its colony and larvae through at least 14 distinct sounds made by rubbing its abdomen against its wing covers.

Life cycle

  1. 1.
    egg
    A small egg is laid on or near the larval food source and hatches within days or weeks.
  2. 2.
    juvenile
    An immature insect feeds and molts, growing through successive instars.
  3. 3.
    subadult
    A near-adult insect has wing buds or near-mature form, one molt away from full size.
  4. 4.
    adult
    Fully grown, with full wings and adult coloration.

Learn more

Taxonomy

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Passalidae
Genus
Odontotaenius
Species
Odontotaenius disjunctus