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The four-spined pygmy devil (   Arulenus   validispinus    Stål, 1877) is an endemic species to the Philippines. It was described more than 140 years ago from a single female specimen. Since its description, only a single new record was known, reported by Skejo from the Lanao region in 2017 and based on a specimen from eBay. Here, we record the species from the Bukidnon Mountains. We present measurements of a male and a female we collected, with the description of the species morphology and habitat. This species differs from its congeneric Mia’s pygmy devil (   A.   miae    Skejo &amp; Caballero, 2016) by the sharp dorsal and lateral spines.

journal of orthoptera research

Presence of the four-spined pygmy devil,    Arulenus   validispinus    (  Orthoptera  :   Tetrigidae  ), confirmed in Bukidnon region on the island of Mindanao, Philippines