CLADOENDESIS OF EPHEMEROPTERA
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Fig. 152–157. Centroptella (Centroptella) ornatipes sp. n. 152 – larval tenth abdominal segment without caudalii (ventral view); 153 – genitalia of male imago (left gonostylar and gonovectal muscles not shown); 154 – subimaginal exuviae of gonostylus; 155–157 – successive stages of developing of subimaginal gonostyli under larval cuticle. Abbreviations as in Figs 43–48.