Yanbaru Long-armed Scarab vs Formosa Long-armed Scarab

Side-by-side species comparison

Attribute Yanbaru Long-armed Scarab Formosa Long-armed Scarab
Scientific Name Cheirotonus jambar Cheirotonus formosanus
Order Coleoptera Coleoptera
Family Euchirinae Euchirinae
Size 45-65 mm 40-60 mm
Habitat Forests Forests
Diet Sap Feeders Sap Feeders
Regions Japan (Okinawa) Taiwan
Conservation Critically Endangered Endangered

Yanbaru Long-armed Scarab

An extremely rare scarab beetle endemic to the Yanbaru forests of Okinawa. Males have greatly elongated forelegs used in mating displays.

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Did You Know?

It was only discovered in 1983 and is protected as a Japanese national natural monument.

Formosa Long-armed Scarab

A rare Taiwanese scarab with elongated forelimbs and a dark chestnut-brown body. It is found only in old-growth mountain forests on the island.

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Did You Know?

Illegal collecting for the pet trade has made this one of the most threatened beetles in East Asia.