Japanese Pine Sawyer vs Smoky Rubyspot

Side-by-side species comparison

Attribute Japanese Pine Sawyer Smoky Rubyspot
Scientific Name Monochamus alternatus Hetaerina titia
Order Coleoptera Odonata
Family Cerambycidae Calopterygidae
Size 18-28 mm 38-48 mm
Habitat Forests Forests
Diet Wood Feeders Omnivores
Regions East Asia, Japan/Korea North America, Central America
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.

Smoky Rubyspot

A damselfly with dark smoky wings and amber-red basal patches in males. It is found along forested streams in the eastern United States and Mexico.

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Did You Know?

Its wings are much darker and smokier than those of its relative, the American Rubyspot.