A–B Gular structure of: A Cymatodera californica, arrow indicates post-gular process present B Temnoscheila virescens (Trogossitidae), arrow indicates post-gular process absent C–D Procoxal cavities of: C Enoclerus zonatus D Cymatodera sallei; arrows 1 indicate longitudinal length of procoxal cavities in relation to longitudinal length of prosternum; arrows 2 indicate interior portion of procoxal cavities; arrow 3 indicates intercoxal process E Tarsal claw of Araeodontia peninsularis F Eye structure of Cymatoderella collaris.