Menippus, Clark, 1864

Lee, Chi-Feng, Bezdĕk, Jan & Suenaga, Haruki, 2012, Revision of Menippus (Coleoptera: Chrysomelidae: Galerucinae) of Taiwan and Menippus dimidiaticornis species group with a new generic synonymy, Zootaxa 3427, pp. 1-16 : 14-15

Key to Taiwanese species and dimidiaticornis species group of Menippus

1. Punctures on head and pronotum larger than those on elytron................................................... 2

- Punctures on head and pronotum equal to those on elytron in size ( dimidiaticornis species group)...................... 3

2. Pronotum without black spots, sides abruptly constricted at basal 1/3; legs black ( Fig. 1 ).............. M. asahinai (Chûjô)

- One big black spot on each side of pronotum; sides of pronotum not constricted ( Fig. 3 ); legs yellowish-brown, apex of femur, apex and base of tibia, and tarsi black..................................................... M. hsuehleeae sp. nov.

3. Penis extremely asymmetric, right margin rounded and left margin angular or concave; tectum prominent ( Figs 12 b, 16b, 17b).................................................................................................... 4

- Penis symmetric; tectum absent ( Figs 10 b, 11b, 15b).......................................................... 6

4. Apical margin of endophallic sclerite smooth without teeth ( Fig. 17 b).............................. M. sericea (Weise)

- Apical margin of endophallic sclerite with teeth ( Figs 12 b, 16b)................................................. 5

5. Penis extremely wide in lateral view ( Fig. 16 a), apex of endophallic sclerite wider; apex of tibia, and tarsi black.............................................................................................. M. nepalensis sp. nov.

- Penis relatively slender in lateral view ( Fig. 12 a), apex of endophallic sclerite narrower; legs yellowish-brown................................................................................................. M. gressitti sp. nov.

6. Elytron convex in lateral view; tibia black................................................... M. murzini sp. nov.

- Elytron flattened in lateral view; tibia yellowish-brown, apex darkened.......................................... 7

7. Penis strongly curved in lateral view ( Fig. 10 a); apex truncate in dorsal view, medially convex ( Fig. 10 b)..................................................................................................... M. beeneni sp. nov.

- Penis weakly curved in lateral view ( Fig. 11 a); apically tapering ( Fig. 11 b).................... M. dimidiaticornis Jacoby

Figures

FIGURES 1 – 6. Color habitus of Menippus species. 1. M. asahinai, dorsal view; 2. M. asahinai, ventral view; 3. M. hsuehleeae, dorsal view; 4. M. hsuehleeae, ventral view; 5. M. sericea, dorsal view; 6. M. sericea, ventral view.

FIGURES 9 – 17. Male genitalia of Menippus species. a: lateral view; b: dorsal view. 9. M. asahinai; 10. M. beeneni; 11. M. dimidiaticornis; 12. M. gressitti; 13. M. hsuehleeae; 14. M. issikii; 15. M. murzini; 16. M. nepalensis; 17. M. sericea.