Fig. 5

Scanning electron micrographs showing trunk morphology and cuticular details in Semnoderes armiger. a Segment 1, dorsal view. b Segment 1, ventral view. c Segment 1, lateral view. d Close-up showing ventromedial type 2 sensory spot on segment 1. e Segments 4–5, lateral view. f Segments 1–3, ventral view. ldss laterodorsal sensory spot, lvac lateroventral acicular spine, lvcu lateroventral cuspidate spine, md middorsal spine, mdp middorsal placid, mlss midlateral sensory spot, mvp midventral placid, pdss paradorsal sensory spot, pl placid, sp spinoscalid, spf secondary pectinate fringe, tu tube, vmss ventromedial sensory spot