Red Turpentine Beetle vs Maize Weevil

Side-by-side species comparison

Attribute Red Turpentine Beetle Maize Weevil
Scientific Name Dendroctonus valens Sitophilus zeamais
Order Coleoptera Coleoptera
Family Curculionidae Curculionidae
Size 6-9 mm 2-4mm
Habitat Forests Indoors
Diet Sap Feeders Seed Feeders
Regions North America, Asia Africa, Asia, North America, South America, Europe, Oceania
Conservation Not Evaluated Least Concern

Red Turpentine Beetle

The largest North American Dendroctonus species, it attacks the base of pine trees. It became highly invasive in China after accidental introduction.

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Did You Know?

In China, it has killed over 10 million Pinus tabuliformis trees since its arrival in the 1980s.

Maize Weevil

A small dark brown weevil with four reddish spots on its elytra. It is one of the most destructive stored grain pests worldwide.

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Did You Know?

A single female can lay over 400 eggs in grain kernels and infestations can destroy entire harvests in storage.