Arctonoe vittata (Grube 1855)

In this closeup of the head end, the elytra which are widely spaced dorsally are visible. An elytrum is covering the head.

Here is Arctonoe vittata as it is usually seen in its host, Diodora aspera. Photo by Dave Cowles, July 2007

Here an individual reaches out from under Diodora aspera and explores the nearby environment. Photo at Swirl Rocks by Dave Cowles, June 2011

Arctonoe vittata symbiont with Diodora aspera, from Sares Head, WA. Scale is cm divided into mm. (Photo by: Dave Cowles, July 2006)