POPILLIA. 61 



50 (51) Pjgidium very prominent and con- 



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



51 (50) Pj'gidium not very prominent or 



convex; hair-tufts large and close, fea, Kr., p. 80. 



52 (5) Pronotum more or less hairy. 



6o (74) Hair contined to the sides of the 

 pronotum. 



54 (03) Tufts of the pygldiuni not large 



and rounded. 



55 (00) Elytra deeply striated. 



66 (59) Striae regular and distinctly punc- 



tured. 



67 (58) Legs bright yellow piilchripes, Arrow, p 80, 



58 (57) Leo-s dark lucida, Newm., p. 81. 



59 (56) Striae irregular and not distinctly 



punctured Morion, Newra., p. 82. 



60 (55) Elytra very lightly punctate- 



striate. 



61 (62) Tjonger 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 (66) Intervals of elytra unequal, the 



2ud 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 contined to the sides of 



the pronotum. 



75 (82) Pronotum with erect scattered 



hairs. 



76 (77) Pygidium without basal hair- 



patches sulcata, Eedt., p. 89. 



77 (76) Pygidium with basal hair-patches. 



78 (81) Pronotum strongly punctured. 



79 (81)) Front margin of the clypeus 



strongly reflexed simlana, Arrow, p. 89. 



80 (79) Front margin of the clypeus not 



strongly reflexed jnlosa, Arrow, p. 90. 



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



82 (75) Pronotum covered with close even 



bair pilicoUis, Kr,, p, 91, 



* The female is unknown. 



