Red-Shouldered Ham Beetle vs Water Scavenger Beetle

Side-by-side species comparison

Attribute Red-Shouldered Ham Beetle Water Scavenger Beetle
Scientific Name Carcinops pumilio Hydrophilus piceus
Order Coleoptera Coleoptera
Family Histeridae Hydrophilidae
Size 2-3 mm 34-48 mm
Habitat Farmland Ponds & Lakes
Diet Predators Herbivores
Regions Worldwide (cosmopolitan) Europe, Asia
Conservation Least Concern Near Threatened

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.

Water Scavenger Beetle

One of the largest European water beetles, with a glossy black, boat-shaped body. Despite its name, it is largely herbivorous as an adult.

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Did You Know?

It carries air under its body in a silvery film, giving it a shimmering appearance underwater.