Phobaeticus annamallayanus is a species of stick insect found in forests in Tamil Nadu and Kerala.

Phobaeticus annamallayanus is one of the 24 species of phasmids described by James Wood-Mason.

[4] Wood-Mason originally described the species as Phibalosoma annamallayanum,[3] but the species was reclassified into the genus Pharnacia in 1904 with William Forsell Kirby's A synonymic catalogue of Orthoptera.

[4][6] The species epithet derives from the Annamallay Hills where they are found.

acanthopus, but in general more compact and sturdy, with a "stout" body and "shorter and thicker" legs.