Silba albisquama

Silba albisquama (Kertesz) is closely related to both emulata McAlpine
(Figs. 13, 14, 19) and imitata McAlpine (Figs. 15, 16, 17) (McAlpine 1964). It
differs from them mainly in characters of the genitalia described above. Probably
it is most closely allied to imitata which also possesses a pair of processes arising
from the inner bases of the anterior gonopophyses, but that species has white
calyptrae in both sexes and much paler wings.