Key to the species of subgenus Dapalinus

1. Pronotum nearly heart­shaped; dorsum without projecting setae; elytra with dark discoidal spots on basal half of humeri ................. Hypera maculipennis (Fairmaire, 1859)

­ Pronotum more oblique oval; elytra without discoidal pattern. ................................... 2

2. First funicle segment 1.5 x longer than second; covering of bifid scales of elytra not reaching base (Fig. 5). .................................................................................................. 3

­ First funicle segment almost twice as long as second; covering of bifid scales of elytra reaching base (Fig. 6). .................................................................................................. 7

3. Elytra with long, projecting, bent setae before apex; alternating pale and dark intervals. Male and female genital structures (Figs 11, 16, 21, 26)........................................ ............................................................................. Hypera subvittata (Capiomont, 1867)

­ Elytra with recumbent setae, distinctly visible from lateral view. ............................... 4

4. Elytra with white lateral stripe. Male and female genital structures (Figs 9, 14, 19, 24). ................................................................................... Hypera dapalis (Boheman, 1842)

­ Elytra without lateral stripe. ......................................................................................... 5

5. Dark spots on alternating intervals of elytra or at least on the sides and on the apex. Male and female genital structures (Figs 8, 13, 18, 23). ................................................. ................................................................................ Hypera contaminata (Herbst, 1795)

­ Elytra with alternating pale and dark interval; without dark spots. ............................. 6

6. Elytral intervals 2, 4 and 6 dark for their entire length, remaining intervals reddish or pale. Male and female genital structures (Figs 10, 15, 20, 25) ....................................... ..................................................................................... Hypera striata (Boheman, 1834)

­ Elytra with dark parts on basal two thirds of interval 1, apical quarter of interval 2, basal third of interval 3, apical half of interval 4, small apical part of interval 5 and all interval 6; remaining parts reddish. Male and female genital structures (Figs 7, 12, 17, 22) ............................................................................................... Hypera kayali sp. nov.

7. Elytra covered with long, strongly projecting setae.... Hypera tenuirostris (Petri, 1901)

­ Elytra with short, recumbent setae. .............................................................................. 8

8. Pronotum strongly oblique, base of elytra distinctly wider than pronotum (Figs 27, 28), size: 3.5–5.0 mm; dorsum grey to cupreous brown................................................. ...................................................................................... Hypera meles (Fabricius, 1792)

­ Smaller and more gracile, (size: 3.6–4.2 mm), base of elytra slightly wider than pronotum, pronotum strongly oblique, but somewhat less expanded than in H. meles (Figs 29, 30) ...................................................................... Hypera fornicata (Penecke, 1928)