POPILLIA. 61 



50 (51) Pygidium very prominent and con- 



vex ; hair-tufts small and loose . caerulea, Boh., p. 79 



51 (50) Pygidium not very prominent or 



convex; hair-tufts large and close. /<?#, Kr., p. 80. 



52 (5) Pronofcum more or less hairy. 



53 (74) Hair confined to the sides of the 



pronotum. 



54 (03) Tufts of the pygidium not large 



and rounded. 



55 (00) Elytra deeply striated. 



50 (59) Striae regular and distinctly punc- 

 tured. 



57 (58) Legs bright yellow pulchripes, Arrow, p 80. 



58 (57) Legs dark lucida, Newm., p. 81. 



59 (56) Striae irregular and not distinctly 



punctured chkrion, Newm., p. 82. 



60 (55) Elytra very lightly punctate- 



striate. 



61 (62) Longer middle claw of c? entire *. lavis, Burm., p. 83. 



62 (61) Longer middle claw cleft in both 



sexes clara, Arrow, p. 83. 



63 (54) Tufts of pygidium large and 



rounded. 



64 (65) Pronotum closely punctured .... adamas, Newm., p. 84. 



65 (64) Pronotum not closely punctured. 



66 (67) Intervals of elytra nearly equal, 



convex eximia, Arrow, p 84. 



67 (60) Intervals of elytra unequal, the 



2nd wide, punctured. 



68 (71) Pygidium feebly sculptured; 



longer middle claw of the male 

 not cleft. 



69 (70) Sternal process blunt discalis, Walk., p. 85. 



70 (69) Sternal process sharp propinqua, Arrow, p. 87 



71 (68) Pygidium strongly sculptured ; 



longer middle claw of the male 

 cleft. 



72 (73) Sternal process sharp ; elytra feebly 



foveolated complanata, Newm., p. 87. 



73 (72) Sternal process blunt ; elytra 



strongly foveolated schizonycha, Arrow, p. 88. 



74 (53) Hair not confined to the sides of 



the pronotum. 



75 (82) Pronotum with erect scattered 



hairs. 



76 (77) Pygidium without basal hair- 



patches sulcata, Redt., p. 89. 



77 (76) Pygidium with basal hair-patches. 



78 (81) Pronotum strongly punctured. 



79 (80) Front margin of the clypeus 



strongly reflexed simtana, Arrow, p. 89. 



80 (79) Front margin of the clypeus not 



strongly reflexed pilosa, Arrow, p. 90. 



81 (78) Pronotum rugose minuta, Hope, p. 91. 



82 (75) Pronotum covered with close even 



hair pilicollis, Kr., p. 91. 



* The female is unknown. 



