Japanese Pine Sawyer vs Pine Processionary

Side-by-side species comparison

Attribute Japanese Pine Sawyer Pine Processionary
Scientific Name Monochamus alternatus Thaumetopoea pityocampa
Order Coleoptera Lepidoptera
Family Cerambycidae Notodontidae
Size 18-28 mm 36-42 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Omnivores
Regions East Asia, Japan/Korea Southern Europe, North Africa, Middle East
Conservation Least Concern Least Concern

Japanese Pine Sawyer

A large longhorn beetle known as 'matsu-no-madara-kamikiri,' responsible for transmitting pine wilt disease in Japan. The larvae develop in pine wood, and adults carry the devastating pine wood nematode.

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Did You Know?

This beetle vectors the pine wood nematode (Bursaphelenchus xylophilus), which has killed millions of pine trees across Japan since the disease was first described in 1905.

Pine Processionary

A grey moth whose caterpillars march in long nose-to-tail processions between their silk nests and feeding sites. The larvae's urticating hairs cause severe allergic reactions.

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Did You Know?

Jean-Henri Fabre once tricked a procession into following itself in a circle for seven days without stopping.