Figures 9–13 in New records of some rare mayflies (Insecta, Ephemeroptera) from Ukraine

Figures 9–13. Larvae and imago of some registered species: 9. – Isonychia ignota (Walker, 1853), total view of larva, scale bar 2 mm; 10. – Baetopus tenellus (Albarda, 1878), total view of larva, scale bar 1 mm; 11. – Metreletus balcanicus (Ulmer, 1920), total view of larva, scale bar 2 mm; 12. – the same species, genitalia and posterior part of abdomen, male imago, ventral view, scale bar 1 mm; 13. – Brachycercus harrisella Curtis, 1834, total view of larva, scale bar 2 mm.