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Bess Beetle

Description:

A dirty Bess Beetle (Passalidae) on a wooden railing. Black exoskeleton with orange hairs at it's sides. Have a deformed forehead which is typical of this species. About 25mm in length. A mite parasite is also seen crawling on the beetle in these photographs. The video recorded it's threatening call to show that it is disturbed.

Habitat:

Live in decaying logs in Maliau Basin, Tawau, Sabah.

Notes:

So far 2 species are scientifically recorded from Maliau Basin - Leptaulax bicolor and Aceraius wallacei. >>>Map accuracy : 5km diameter.

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1 Comment

MrsPbio
MrsPbio 8 years ago

We call these "Bess bugs" , they are so cute and slow and completely harmless ! I adore Bess bugs. They eat dead wood like a stump or old rotting logs.

ChunXingWong
Spotted by
ChunXingWong

Malaysia

Spotted on Nov 13, 2012
Submitted on Dec 13, 2012

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