01 Thecacera pennigera

01 Thecacera pennigera

Foot of uniform width for most of its length with truncated anterior and tapered at posterior. Foot visible dorsally as a narrow border only on the posterior third (1). Body and all appendages covered in well defined orange and, smaller, black pigment marks, and less distinct opaque whitish marks. L. 11.5 mm. Menai Strait, Wales, September 2015.