FIGURES 10–20 in New species of Ameletus Eaton, 1885 and redescription of Ameletus longulus Sinichenkova, 1981 from the Russian Far East (Ephemeroptera: Ameletidae)

FIGURES 10–20. Ameletus khasanensis sp. nov., larva: 10. Labrum, dorsal view. 11–12. Apices of mandibles, dorsal view: 11–left mandible, 12 right mandible. 13. Labium, dorsal view. 14. Femur of foreleg. 15–20. Gills: 15.Gill I, 16. Gill II, 17. Gill III, 18. Gill IV, 19 Gill VI, 20. Gill VII. Scale (mm): 10, 13, 15–20=0.5; 11–12=0.2. The arrow shows the group of setae.