CLADOENDESIS OF EPHEMEROPTERA
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Figs 411–426. Thraulodes niger. 411 – larval claw; 412–413, 414–418 and 419–420 – larval exuviae of three specimens at the same magnification: 412–413, parts of head with labrum and mandibles; 414 and 419 – abdominal terga; 415 and 420 – left half of pronotum and mesonotum; 416–418 – fore, middle and hind legs; 421 – larval abdomen with ocher cuticular markings (unpaired medio-anterior spots) and blackish hypodermal markings (paired midway spots and borders of segments); 422 – anterior side of hind femur; 423 – anterior side of fore tibia; 424 – the same with focus on more posterior setae; 425 – hind tibia with focus on outer-posterior row of stout setae; 426 – the same with focus on outer-anterior and inner-anterior rows of stout setae (412–413 – holotype).