Madagascar
Fine-art photographic collection
Crepidopterus decorsii
A Madagascan ground beetle whose deeply sculptured armour turns the body into a miniature shield.
About this species
Crepidopterus decorsii(Fairmaire, 1901)
Information reviewed15 July 2026
Crepidopterus decorsii is an endemic Madagascan ground beetle with a robust, strongly sculptured body. The thickened shell and powerful running legs suit a terrestrial predator moving through litter and soil cavities.
Taxonomy
Animalia · Arthropoda · Insecta · Coleoptera · Carabidae · Crepidopterus
Accepted as Crepidopterus decorsii; Crepidopterus decorsei Jeannel, 1946 is an unavailable synonym. · checked 2026-07-15
MadagascarBroad documented range and selected reference localities — not a complete occurrence map.
What makes this species remarkable?
Deep grooves and raised intervals reinforce the elytra like corrugation, increasing stiffness without requiring a uniformly thicker shell.
The head and pronotum fit tightly against the wing cases, producing a compact armoured outline with few exposed soft joints when the beetle braces itself.
Its jaws close horizontally beneath the head, letting a low-bodied predator seize prey in narrow litter spaces where an upward bite would be impossible.