Examples of bristles transitioning in shape and length along the median crest margin on hypopharynx of Lithobius. A–BLithobius (Lithobius) forficatusB ‘button-shaped’ sensilla between branching bristles on the distal part of the lips CLithobius (Lithobius) pyrenaicusDLithobius (Lithobius) erythrocephalus; Inset: detail of brush-tufts surrounding ‘button-shaped’ sensilla ELithobius (Lithobius) pelidnusFLithobius (Lithobius) carinatus.

  Part of: Ganske A-S, Edgecombe GD, Akkari N (2018) The peristomatic structures as a source of systematic characters in the genus Lithobius Leach, 1814 (Myriapoda, Chilopoda). In: Stoev P, Edgecombe GD (Eds) Proceedings of the 17th International Congress of Myriapodology, Krabi, Thailand. ZooKeys 741: 49-75. https://doi.org/10.3897/zookeys.741.21706