CLADOENDESIS OF EPHEMEROPTERA
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Fig. 534–540. Centroptella (Chopralla) rufostriata sp. n. 534–536 – larval exuviae (534 – pronotum and mesonotum; 535 – abdomen; 536 – head); 537–538 – female larva of last instar; 539 – younger larva with lighter cuticular coloration (grayish) and better visible hypodermal coloration (reddish brown); 540 – exuviae of abdominal tergum III (MA – medio-anterior sigillum; MP – medio-posterior sigillum).