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Fig. 5 | BMC Biology

Fig. 5

From: The function of wing bullae in mayflies (Insecta: Ephemeroptera) reveals new insights into the early evolution of Pterygota

Fig. 5

Siphlonurus lacustris (Siphlonuridae), imago, ventral view under confocal microscopy. A Forewing, presence of resilin, B forewing, distribution of sclerotized and membranous areas, C bulla sc, D bulla r2, E bulla r4 + 5, F bulla mp1. Red colour indicates sclerotized cuticle, green colour indicates membranous cuticle, blue colour indicates presence of resilin

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