474 BUEEAU OF ANIMAL INDUSTRY. 



58. Scutum medium, a little broader than long, without spots, or with yello wish white 



spots 59 



Scutum large, as long {3.3 mm.) as broad, with red copper spots 60 



59. Scutum with yellowish white spots; punctations not confluent (Mexico, Central and 



South America) A. cajermense. 



Scutum without spots; punctations confluent in lines (Galapagos) A. pilosum. 



60. Eyes included in scutum {Ainca) A. Hassalli. 



Eyes extending beyond scutum laterally (Singapore) A. extraoculatum. 



61. Median field of scutwn with large. ptosterior spot 62 



Median field of scutum without spot (Port Natal) A. annulipes. 



62. Scutum with spots lateral of cervical grooves (Africa) A. eburneum. 



Scutum without such lateral spots (Africa) A. splendidum. 



63. Coxx I with two short teeth 64 



Coxpe I bidentate, one or both teeth very long 67 



64. Tarsi not suddenly narrowed; punctations deep 65 



Tarsi suddenly narrowed at the extremity 66 



65. Coxse Iivith two sharp spines; coxse II-IV each with one tuberosity (Brazil) 



A. parviscutatum. 



Coxse I with two blunt spines; coxse II-IV each with two tuberosities (Guatemala). 



A. sabanerx. 



66. Punctations larg^, deep .{Goohin China, Java, Borneo) A. testudinanum. 



Punctations small, superficial (Africa) A. Tholloni. 



67. Cox£e I with one very long spine A. americanum. 



Coxx I with two long spines .' 68 



68. Eyes toward the middle of the length of the scxdum (Brazil) A. striatum. 



Eyes toward the anterior third of the scutum (Bolivia) A. vittatum. 



69. Dorsal surface of capitulum with deep groove lateral of porose areas (Australia) . . 



A. triguttatum. 



Dorsal surface of capitulum without such grooves 70 



70. Scutum broader than long 71 



Scutum as long as broad or scarcely broader than long 75 



71. Two spines on coxx Ilo7ig,close together, parcdlel (Central and South America) . 



A . fossum. 



Two spines on coxx I short, separated, divergent 72 



72. Coxal spines conical, strong (Banda Islands) A. cordiferum. 



Coxal spines flat, rudimentary on coxx II-IV 73 



73. Punctations coarse, at least in part 74 



Punctations very fine (Siam) A. sublxve. 



74. Hypostome with six rows of denticles," scutum 3.5 mm. broad (Mariana Islands, 



Philippines) A. cyprium. 



Hypostome with eight rows of denticles; scutum 1.7 mm. broad (Colombia) ...... 



A. deminutivum. 



75. Eyes toward the middle of the length of the scutum 76 



Eyes in front of the middle of the length of the scutum 78 



76. Punctations very fine; scutum patagonal (Brazil) A. concolor. 



Punctations coarse, deep; scutum oval 77 



77. Scutum without large median spot; second palpal article twice as long as third 



(Central and South America) A. nodosum. 



Scutum with large median spot; second palpal article three times as long as third 

 (South America) A. calcaratum. 



78. Punctations few 79 



Punctations numerous; spines on coxse IV rudimentary 80 



79. Coarse punctations not scarce {about 30) (Central and South America) . A. dissimile. 

 Coarse punctations scarce {3 or 4) (Australia) A. limbatum. 



