Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Clitarchus hookeri - Smooth Stick-insect

Range & Status

Only found in the Isles of Scilly, the sole sites outside New Zealand.

Regional Distribution

First recorded in the Abbey Gardens, Tresco in 1949. Surprisingly, despite extensive

searching on Tresco, it has not been found outside the Abbey Gardens. In 2001, it was recorded on the adjacent island of St. Mary' s, where there is now a small population in the northern part of the island. Transfer of plant material, as in the original translocation from New Zealand, would be the reason for this new colony.

Habitat & Ecology

Similar to Acanthoxyla geisovii.


None known.

00 Conservation

None known.


I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.