CLADOENDESIS OF EPHEMEROPTERA
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Fig. 126–136. Procloeon (Securiops) primasia. 126–127 – male imagines; 128 – female imago; 129 – subimaginal exuviae of half of mesonotum; 130 – subimaginal exuviae of thoracic pleura; 131–133 – fore leg of female imago; 134–136 – its middle leg. Abbreviations: cx1, cx2, cx3 – coxae of fore, middle and hind legs; lpnc – lateropostnotal crest; mtpl – pleurite of metathorax; pls – pleural suture; psa – postsubalar sclerite.