Scanning electron micrograph of cross section through the mouthpart stylets, with the maxillae (Mx) and mandibles (Md), of the heteropteran Aradus cinnamomeus Panzer, 1806 (Aradidae). Groove-and-tongue structures connecting the two maxillae allow for linear sliding movements

  Part of: Drack M, Betz O (2022) A technomorphic conceptualisation of biological ‘constructions’ and their evolution. Vertebrate Zoology 72: 839-855.