Fig. 3

Thoracic and abdominal appendages of Srokalarva berthei. a to d, Second (mesothoracic) and third (metathoracic) appendages; (e) to (g), True first abdominal appendage. a, e, Directed low angle light. b, Undirected reflected light. Arrows mark patterns resembling supposed claw. c, Red-blue anaglyph of a virtual surface reconstruction. (Use red-cyan glasses to view.) d, Interpretative version of (c). f, Red-cyan stereo-anaglyph under cross-polarized light. (Use red-cyan glasses to view.) g, Interpretative version of (f). Abbreviations: “cl”, originally interpreted claw; tr, tergite rim