Key to males of Drymopsalta

(Figs 1–5, 7–8; Table 4; Plates 1A–5A)

1. Timbals with five long ribs, the two anterior ribs shorter than the three posterior ribs (Fig. 7 C).................. daemeli

- Timbals with four long ribs, the anterior rib shortest.......................................................... 2

2. Pronotum extensively black except central fascia and sometimes areas adjacent to oblique fissures..................... 3

- Pronotum not extensively black, but dominantly brown in various shades......................................... 4

3. Hind wings with 6 apical cells (rarely one wing with 5 apical cells); opercula rhombohedral in outline with relatively straight margins (Fig. 3 D); posterior margins of tergites not reddish-brown.......................................... hobsoni

- Hind wings with 5 to 6 apical cells; opercula broadly rhombohedral in outline with gently rounded margins (Fig. 1 D); posterior margins of tergites distinctly reddish-brown........................................................... wallumi

4. Pronotum with thin black central fascia, enclosed by brown envelope grading outwards to paler brown; tergites 3 to 8 dorsally pale to medium brown, never black................................................................. crepitum

- Pronotum with brown central fascia, remaining areas pale brown; tergites 3 to 8 dorsally black, grading dark to medium brown laterally....................................................................................... acrotela