10 Semibalanus balanoides

10 Semibalanus balanoides

The tergoscutal flap has a white rim with a small brown mark and smaller dark red mark at the micropyle (1). There is a large black-brown mark at the rostral end (2). A dark cleft at the carinal end (3) is only visible when the flaps are more widely spread than in this image . Tergum (4). Scutum (5). North Wirral coast, Cheshire, England. June 2011.