The subroseana group
Diagnosis. This group is characterized by the erect socius, the costal arm of the valva gradually narrowed distally, the transtilla with a narrow median process, and the phallus stout basally, thorn-shaped distally in the male genitalia; the sterigma weakly sclerotized, the ductus bursae and the corpus bursae both broad and short, and the ductus bursae strongly sclerotized in the female genitalia.