FIGURES 68–77. Compsoneuriella spp, nymphal structures. Figs 68-70 in The concept of Compsoneuria Eaton, 1881 revisited in light of historical and new material from the Sunda Islands (Ephemeroptera: Heptageniidae: Ecdyonurinae)

FIGURES 68–77. Compsoneuriella spp, nymphal structures. Figs 68-70: Compsoneuriella sp. 1 from Thailand. Fig. 68: Outline of the labium (left side paraglossa only drawn); Fig. 69: Bristles on the upper face of hind femora; Fig. 70: Posterior margin of tergite IV. Figs 71-73: Compsoneuriella langensis. Fig. 71: Outline of the labrum; Fig. 72: Outline of the glossae; Fig. 73: Outline of gill VII. Figs 74-77: Compsoneuriella tagbanua. Fig. 74: Outline of the labrum; Fig. 75: Outline of the glossae; Fig. 76: Detail of the left mandible; Fig. 77: Scattered setae on the ventral side of the galea.