Tropical Giant Whirligig Beetle vs Sal Borer

Side-by-side species comparison

Attribute Tropical Giant Whirligig Beetle Sal Borer
Scientific Name Dineutus indicus Hoplocerambyx spinicornis
Order Coleoptera Coleoptera
Family Gyrinidae Cerambycidae
Size 10-15 mm 35-60 mm
Habitat Rivers & Streams Beaches & Coastal
Diet Omnivores Wood Feeders
Regions Indian Subcontinent, Southeast Asia South Asia (India, Nepal, Bangladesh, particularly central Indian forests)
Conservation Least Concern Least Concern

Tropical Giant Whirligig Beetle

A large whirligig beetle found on the surfaces of tropical ponds and slow rivers across South Asia. It forms impressive swirling aggregations.

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Did You Know?

Aggregations of thousands of individuals create visible ripple patterns on still water surfaces.

Sal Borer

A large, dark brown longhorn beetle that is the most destructive pest of sal trees, India's most important timber species. Larvae bore extensive galleries through the sapwood and heartwood, killing mature trees.

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Did You Know?

During outbreaks, this beetle can kill millions of sal trees across thousands of hectares, causing catastrophic timber losses.