CLADOENDESIS OF EPHEMEROPTERA

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Kluge 2004: Fig.103

Figure 103. Leptohyphes/fg1-Tricorythodes/fg1, larva.

AB minutus [Tricorythodes]: A right margin of abdominal segments II-VII with right tergalii, ventro-lateral view, tergalii not pressed to the body (compare with Fig.101:D); B transverse section on level of end of abdominal segment V, tergalii pressed to the body. C cubensis [Tricorythodes], right tergalius III, dorsal view. DF sacculobranchis [Tricorythodes]: D left tergalius II (gill operculum), ventral view; E abdominal sternum IX and caudalii of male larva; F the same of female larva. (DF from Kluge & Naranjo 1990).

Abbreviations: II:a anal branch of ventral lobe of tergalius II; II:c costal branch of ventral lobe of tergalius II; II:d dorsal lobe of tergalius II (gill operculum); III:a anal branch of ventral lobe of tergalius III; III:c costal branch of ventral lobe of tergalius III; III:d dorsal lobe of tergalius III; IV:a anal branch of ventral lobe of tergalius IV; IV:c costal branch of ventral lobe of tergalius IV; IV:d dorsal lobe of tergalius IV; a.r anal rib; c.r costal rib; v.r additional rib on costal branch of ventral lobe