139 



49 (52) Suture of elytra not dark ; pronotum 



not closely punctured. 



50 (51) Pronotum and elytra not uniformly 



pale madrasica, sp. n./p. 159. 



51 (50) Pronotum and elytra uniformly pale . . pelludda, Arr., p. 159. 



52 (49) Elytral suture dark ; pronotum closely 



punctured blanchardi, n.n., p. 160. 



53 (48) Front tibia tridentate (the uppermost 



tooth sometimes very feeble). 



54 (57) Scutellum dark. 



55 (56) Hind angles of the pronotum com- 



pletely rounded off semiusta, Arr., p. 160. 



56 (55) Hind angles of the prouotum indicated, infanlilis, Arr., p. 161. 



57 (54) Scutellum pale. 



58 (67) Hind tibiae not very broad. 



59 (64) Shoulders not black-spotted. 



60 (61 ) Pronotum coarsely punctured mollis, sp. n., p. 162. 



61 (60) Pronotum finely punctured. [p. 162. 



62 (63) Intervals of the elytra very unequal. . conformis, Walk., 



63 (62) Intervals of the elytra subequal walkeri, Arr., p. 163. 



64 (59) Shoulders black-spotted. 



65 (66) Large ; 3rd tooth of the front tibia 



scarcely traceable ffravida, Arr., p. 163. 



66 (65) Smaller ; 3rd tooth of the front tibia [p. 164. 



distinct communis, Burm., 



67 (58) Hind tibise very broad. 



68 (71) Vertex of the head black. [p. 165. 



69 (70,) Pronotum strongly punctured andamanica, sp. n., 



70 (69) Pronotum finely punctured latipes, Arr., p. 165. 



71 (68) Vertex of the head not black. 



72 (73) Elytra not very elongate biharensis, sp. n., p. 166. 



73 (72) Elytra very long and narrow stenoptera, sp. n., p. 167. 



74 (1 ) More or less metallic (sometimes very 



faintly) ; front tibiae bidentate, 

 except in A. antiqna and A. erosa. 



75 (78) Front tibia armed with three teeth. 



76 (77) Elytra not distinctly striated untiqua, Gyll., p. 167. 



77 (76) Elytra deeply striated erosa, Arr., p. 168. 



78 (75) Front tibia armed with two teeth. 



79 (94) Eyes very large and prominent (the 



intervening space in the male less 

 than their combined brendth) ; cly- 

 peus very small (especially in the 

 male), not strongly transverse, except 

 in A. vivida. 



80 (89) Hind tibia not very short and broad. 



81 (84) Entirely metallic above. 



82 (83) Very shining vivida, sp. n., p. 169. 



83 (82) Rather dull above procrastinator, sp. n., 



84 (81) Upper surface lightly metallic in front [p. 170. 



only. 



85 (86) Pygidium clothed with long hair .... luridicoliis, Arr., p. 170. 



86 (85) Pygidium not clothed with long hair. 



87 (88) Plind angles of the pronotum rounded 



off; male with the longer front and 



middle claws cleft <egrota, sp. n., p. 171. 



