Key to the species of the genus Meganaclia based on male genitalia structures

1 Uncus without sclerotized dorsal appendage (Fig. 16)........................................................ 2

- Uncus with sclerotized dorsal appendage (Fig. 20)........................................................... 4

2(1) Uncus laterally without distinct setae (Fig. 15)........................................................ M. sippia

- Uncus laterally with distinct setae (Fig. 16)................................................................. 3

3(2) Uncus parrot beak shaped (Fig. 17).......................................................... M. grehani sp. n.

- Uncus rather C-shaped (Fig. 16).............................................................. M. smithi sp. n.

4(1) Dorsal appendage of uncus bifurcate, antler-shaped (Fig. 20)................................... M. gaerberfesti sp. n.

- Dorsal appendage of uncus bifurcate, simple-shaped......................................................... 5

5(4) Dorsal appendage of uncus pointed apically (Fig. 19)........................................... M. johannae sp. n.

- Dorsal appendage of uncus rounded apically (Fig. 18)............................................ M. josephi sp. n.