Crawling Water Beetle vs White-spotted Longhorn

Side-by-side species comparison

Attribute Crawling Water Beetle White-spotted Longhorn
Scientific Name Haliplus ruficollis Batocera rufomaculata
Order Coleoptera Coleoptera
Family Haliplidae Cerambycidae
Size 2-3 mm 35-55 mm
Habitat Ponds & Lakes Farmland
Diet Herbivores Wood Feeders
Regions Europe India, Sri Lanka, Southeast Asia, China
Conservation Least Concern Not Evaluated

Crawling Water Beetle

A tiny, oval water beetle with a yellowish body covered in rows of dark punctures. Unlike diving beetles, it crawls slowly among aquatic vegetation rather than swimming actively.

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Did You Know?

It stores air beneath enlarged hind coxal plates, which act as a built-in oxygen reservoir while submerged.

White-spotted Longhorn

A large greyish-brown longhorn beetle with orange or rufous spots on its elytra. It is a significant pest of mango, fig, and rubber trees across tropical Asia.

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Did You Know?

A single larva can spend up to two years feeding inside a tree trunk before emerging as an adult.