FIGURES 16–19 in The genus Semicerura (Collembola; Isotomidae) in Asia

FIGURES 16–19. Outer (16, 18) and inner (17, 19) views of dens in Semicerura bryophila sp. nov. (16, 17) and S. draconis sp. nov. (18, 19). So, Spo, Spi, Si—spines of outer, posterior-outer, posterior-inner, and inner rows.Published as part of Potapov, Mikhail, Xie, Zhijing, Kuprin, Alexander & Sun, Xin, 2020, The genus Semicerura (Collembola; Isotomidae) in Asia, pp. 105-118 in Zootaxa 4751 (1) on page 112, DOI: 10.11646/zootaxa.4751.1.5, http://zenodo.org/record/371184