Key to Pakistan species of Balclutha (Male)

1 Crown, pronotum and forewings with orange red longitudinal bands (Figs. 1D, F).................................. 2

- Crown, pronotum and forewings without orange red longitudinal bands (Fig. 1A); aedeagus with basal processes......... 3

2 Pygofer with branches of posteroventral appendages only slightly divergent, extended posterad (Fig. 4F); distal part of aedeagal shaft distinctly curved in lateral view (Fig. 4I)................................................. B. rubrostriata

- Pygofer with branches of posteroventral appendages widely divergent, one extended dorsad, the other ventrad (Fig. 1A–B); distal part of aedeagal shaft straight in lateral view............................................ B. pararubrostriata

3 Sordid with brown markings (Fig. 1A); aedeagal shaft short, C-shaped, curved dorsally and anteriorly to near level of basal apodeme (Fig. 2I –K)........................................................................... B. punctata

- Yellowish green; aedeagal shaft not extending to near level of basal apodeme...................................... 4

4 Aedeagus with three or more pairs of processes, shaft not curved basally (Fig. 2E)............................ B. incisa

- Aedeagal shaft angularly curved basally (Fig. 2K–L); connective with stem long, almost three times the length of arms (Fig. 2J)..................................................................................... B. sujawalensis