Examples of ‘button-shaped’ sensilla on the lips of hypopharynx of Lithobiidae. ALithobius (Lithobius) forficatus; proximal part of lips forming median crest with cluster of ‘button-shaped’ sensilla; flattened spines flanking median crest margin BEupolybothrus (Eupolybothrus) grossipes; left lip with cluster of ‘button-shaped’ sensilla CLithobius (Lithobius) validusDLithobius (Sigibius) burzenlandicusELithobius (Lithobius) muticusFLithobius (Lithobius) carinatus. bsc – ‘button-shaped’ sensilla, smc – spines flanking median crest, tu – tuft of bristles. A top is dorsal; B–F top is medial.

  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