Spotted Diving Beetle vs Broad Bean Weevil

Side-by-side species comparison

Attribute Spotted Diving Beetle Broad Bean Weevil
Scientific Name Graphoderus cinereus Bruchus rufimanus
Order Coleoptera Coleoptera
Family Dytiscidae Chrysomelidae
Size 13-16 mm 4-5 mm
Habitat Ponds & Lakes Grasslands
Diet Omnivores Seed Feeders
Regions Europe Europe, Mediterranean, Western Asia
Conservation Near Threatened Least Concern

Spotted Diving Beetle

A medium-sized diving beetle with distinctive mottled brown and cream patterning. It inhabits clean, well-vegetated ponds and lakes across Europe.

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Did You Know?

Its camouflage pattern makes it almost invisible against the mottled bottom of weedy ponds.

Broad Bean Weevil

A compact, dark beetle with grayish pubescence and reddish-brown antennae bases. It is a significant pest of faba beans across Europe and the Mediterranean.

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Did You Know?

Adults emerge from stored seeds through a perfectly circular exit hole, leaving distinctive windows in the seed coat.