PARASTASIA. 37 



Key to the Species. 



1 (22) Clypeus strongly bidentate iu front. 



2 (13) Pygidium everywhere densely 



sculptured. 



3 (10) Pronotum smooth behind or only 



lightly punctured. 



4 (7) Front tibia with the two upper 



teeth close together. 



5 (6) Scutellum long and sharp-pointed ; 

 elytra without posterior yellow 

 spot rvjopicta, Westw., p. 37. 



6 (5) Scutellum short and blunt; elytra 



with posterior yellow spot birmana, Arrow, p. 38. 



7 (4) Front tibia with the two upper 



teeth wide apart. 



8 (9) Elytra not, or only very lightly, 



punctured basalis, Gaud., p. 39. 



9 (8) Elytra deeply punctured cingala, Arrow, p. 39. 



10 (3) Pronotum strongly punctured. 



11 (12) Pronotum not longitudinally im- 



pressed andamanica, Ohaus, p. 40. 



12 (11) Pronotum longitudinally impressed, confluens, Westw., p. 41. 



13 (2) Pygidium not everywhere densely 



sculptured. 



14 (17) Clypeus very small, with sharp 



teeth or ridges at the base. 

 16 (16) Small and elongate Jieterocera, Ohaus, p. 41. 



16 (15) Larger, broad and globose bimaculata, Gue"r., p. 42. 



17 (14) Clypeus not very small, without 



sharp teeth or ridges at the base. 



18 (19) Very small ; pronotum coarsely 



punctured indica, Ohaus, p. 43. 



19 (18) Not very small; pronotum finely 



punctured. 



20 (21) Red, with the head black sulcipennis, Gestro, p. 43. 



21 (20) Red, with the head, scutellum and 



base of elytra black altemata, Arrow, p. 45. 



22 (1) Clypeal margin bluntly bilobed. 



23 (24) Elytra punctured in straight lines . luteola, Westw., p. 45. 



24 (23) Elytra punctured in wavy lines . . ochracea, Waterh., p. 46. 



7. Parastasia rufopicta. (Plate I, fig. 4.) 



Parastasia rufopicta, Westw.,* Proc. Ent. Soc. Lond. 1841, p. o3; 

 id., Trans. Ent. Soc. Lond. iv, 1845, p. 93, pi. 6, fig. 3. 



Black, extremely smooth and shining above, with a ragged 

 transverse orange band crossing the elytra from side to side upon 

 their anterior half, immediately behind the sculellum, and sending 

 two small branches forward to the front edge of the elytra. 



The body is rather broad, compact and very convex. The 

 head is irregularly rugose, armed with two sharp reflexed teeth 

 at the front margin and a slighter one at each end of the clypeal 



* An asterisk after the name of a species indicates that a type or co-type 

 has been examined, 



