Petrognatha

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Petrognatha gigas
Petrognathagigas.JPG
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Cerambycidae
Subfamily: Lamiinae
Genus: Petrognatha
Fabricius, 1792
Species: P. gigas
Binomial name
Petrognatha gigas
(Fabricius, 1792)

Petrognatha is a genus of longhorn beetles belonging to the subfamily Lamiinae, tribe Petrognathini. It is not to be confused with Perognathus, a genus of pocket mice.

Only one species, the giant African longhorn beetle, Petrognatha gigas, is described by Fabricius in 1792. It is found in Central Africa.

The larvae bore into the wood of fallen Acacia trees and the adults strongly resemble the bark. Furthermore, the antennae and legs resemble twigs when they are extended forward.

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