CLADOENDESIS OF EPHEMEROPTERA
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Figs 543–562. Thraulodes alboniger. 543 – larva with ocher cuticular coloration and blackish hypodermal markings on thorax, legs and abdomen, 544–557 – larval exuviae at the same magnification: 544–545 – parts of hear with labrum and mandible; 546 – left half of pronotum and mesonotum; 547 – abdominal terga and sterna; 548–550 – fore, middle and hind legs; 551–557 – tergalii I–VII; 558 – fore tibia; 559 – its inner-apical margin in anterior view; 560 – anterior side of fore femur; 561 – hind tibia with focus on outer-posterior row of stout setae; 562 – the same with focus on outer-anterior and inner-anterior rows of stout setae (544–562 – holotype).