Acanthoxyla inermis (the unarmed stick insect) is an insect that was described by John Salmon in 1955. Acanthoxyla inermis is included in the genus Acanthoxyla, and family Phasmatidae. No subspecies are listed. This species is native to New Zealand but has been unintentionally moved to Great Britain where it has grown a stable population and is the longest insect observed in the UK, and the most common of the stick insects that have established themselves on the island.

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