Mediterranean Drilus vs Yellow-Margined Water Scavenger Beetle

Side-by-side species comparison

Attribute Mediterranean Drilus Yellow-Margined Water Scavenger Beetle
Scientific Name Drilus mauritanicus Hydrochara caraboides
Order Coleoptera Coleoptera
Family Drilidae Hydrophilidae
Size 5-7 mm (male), 15-20 mm (female) 14-18 mm
Habitat Heathland Ponds & Lakes
Diet Predators Scavengers
Regions North Africa, Mediterranean Europe, Western Asia
Conservation Least Concern Near Threatened

Mediterranean Drilus

A North African drilus beetle with small winged males bearing brown elytra and pectinate antennae. The larviform females are specialized predators of Mediterranean land snails.

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Did You Know?

After consuming a snail, the female lays her eggs inside the empty snail shell, which also serves as protection for the developing larvae.

Yellow-Margined Water Scavenger Beetle

A large dark water scavenger beetle with yellowish margins on the pronotum. It inhabits well-vegetated ponds and is declining in parts of northern Europe.

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Did You Know?

Larvae are fierce predators that dispatch prey much larger than themselves, including tadpoles.