Sal Borer vs Irregular Weevil

Side-by-side species comparison

Attribute Sal Borer Irregular Weevil
Scientific Name Hoplocerambyx spinicornis Otiorhynchus sensitivus
Order Coleoptera Coleoptera
Family Cerambycidae Curculionidae
Size 35-60 mm 5-8 mm
Habitat Beaches & Coastal Mountains
Diet Wood Feeders Herbivores
Regions South Asia (India, Nepal, Bangladesh, particularly central Indian forests) Alps, Central Europe
Conservation Least Concern Least Concern

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.

Irregular Weevil

A flightless alpine weevil found on exposed mountain slopes. Adults emerge in summer to feed on low-growing alpine cushion plants.

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Did You Know?

Its inability to fly has led to high genetic divergence between neighboring mountain ranges.