Diagnostic features of male Linan arcitibialis sp. n. A Antennal club B Pronotum C Metaventral process, in lateral view D Protrochanter and profemur E Apex of protibia F Mesotrochanter and mesofemur G Mesotibia H Metatrochanter and metafemur I Sternite IX J–L Aedeagus, in dorsal view (J), lateral (K), and ventral (L) view. Scale bars: 0.3 mm (A, B, D, F, G, H); 0.2 mm (C, J, K, L); 0.05 mm (E); 0.1 mm (I).