Cardo Longhorn vs Red-Shouldered Ham Beetle

Side-by-side species comparison

Attribute Cardo Longhorn Red-Shouldered Ham Beetle
Scientific Name Agapanthia cardui Carcinops pumilio
Order Coleoptera Coleoptera
Family Cerambycidae Histeridae
Size 8-15 mm 2-3 mm
Habitat Heathland Farmland
Diet Pollen Feeders Predators
Regions Mediterranean Europe, North Africa Worldwide (cosmopolitan)
Conservation Least Concern Least Concern

Cardo Longhorn

A strikingly patterned longhorn with alternating bands of grey and dark pubescence on the elytra. It specializes on thistle stems across the Mediterranean basin. Adults appear in late spring and are active on warm sunny days.

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Did You Know?

The species name cardui comes from the Latin for thistle, reflecting its exclusive association with these plants.

Red-Shouldered Ham Beetle

A tiny, shiny black hister beetle commonly found in poultry houses where it preys on house fly larvae. It is an important biological control agent in livestock facilities.

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Did You Know?

A single beetle can consume up to 24 house fly eggs per day, making it one of the best natural fly controls in hen houses.