Adult Male: The hypopygium of the male features a broader superior volsella, with three long setae at the apex. The inferior volsella is stout and completely covered by the superior volsella, also bearing three long setae. Pupa: The abdomen of the pupa exhibits distinct reticulation on abdominal segments T I–VI, with faint reticulation on segments T VII–VIII. The anal lobe is adorned with 117–146 filaments. Larva: The head capsule of the larva measures approximately 492–531 μm in length, with an antennal ratio (AR) ranging from 0.80 to 1.05.