FIGURES 13–17. Acilius sinensis Peschet, 1915, instar I in Larval morphology and new records of the iconic diving beetle Acilius sinensis Peschet, 1915 (Coleoptera: Dytiscidae: Dytiscinae)-a species well established in western Yunnan, China

FIGURES 13–17. Acilius sinensis Peschet, 1915, instar I: 13. mesothoracic leg, anterior surface; 14. mesothoracic leg, posterior surface. 15. abdominal segment VIII, dorsal aspect; 16. abdominal segment VIII, ventral aspect; 17. urogomphus, dorsal aspect. CO, coxa; FE, femur; TA, tarsus; TI, tibia; TR, trochanter. Numbers and lowercase letters refer to primary setae and pores, respectively; * = additional sensilla; spine-like spinulae not represented. Scale bars = 0.2 mm.