Figure 7 from: 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

Figure 7 Labral bristle bands on the distal bar of the epipharynx of Lithobius. A Lithobius (Lithobius) lucifugus; transition of simple to branching bristles from medial to lateral with a few rows of branching bristles B Lithobius (Lithobius) peregrinus; transition of simple to branching bristles from medial to lateral with several rows of branching bristles C Lithobius (Lithobius) erythrocephalus; detail of the transition of simple to branching bristles from medial to lateral D Lithobius (Lithobius) lucifugus; simple bristles on the medial part of the distal bar (top is medial).