Predaceous Diving Beetle vs Lesser Grain Borer

Side-by-side species comparison

Attribute Predaceous Diving Beetle Lesser Grain Borer
Scientific Name Cybister lateralimarginalis Rhyzopertha dominica
Order Coleoptera Coleoptera
Family Dytiscidae Bostrichidae
Size 30-37 mm 2-3 mm
Habitat Ponds & Lakes Gardens
Diet Predators Seed Feeders
Regions Southern Europe, Africa, Middle East Worldwide tropical and subtropical regions
Conservation Least Concern Not Evaluated

Predaceous Diving Beetle

A large olive-green diving beetle found across southern Europe and Africa. It is a powerful swimmer that hunts a range of aquatic animals.

💡

Did You Know?

In some parts of Asia and Africa, large Cybister species are collected and eaten as a traditional food source.

Lesser Grain Borer

A cylindrical dark brown beetle that bores into whole grain kernels, reducing them to powder. It is especially destructive in warm tropical grain stores.

💡

Did You Know?

It produces a distinctive sweet, musty odor that can taint infested grain.