Baker & Holes.— the aleiviiodid^i-: of south ameuica (327 



XVII. Adults with autenuae of seven segraents, 

 of wliicli III is the loñgest, IV aücl YII 

 siib-eqiial Alpi/rodes 



Adults with aüteunae of seven segments, of 

 which IV (iii male) is the longest, being as 

 loñg as the remaining ones together... Alenroci/bofvs 



XVIII. Operculum rectangular, very short, lin- 



gula broad and short, trúncate caudad... NemoslxPÜia 

 Operculum subcordate or subcircular, liugula 



straplike ^Yhen seen 19 



XIX. Dorsura with several series of proraineiit 



setas, raargin with very distinct teeth. Aleurocanthm 

 Dorsura without such a series of prominent 



setae 20 



XX. Dorsum with a central ridge or tracheal- 

 like elevation raargin with a double series 



of teeth, wax not abundant Aleurotrachfiux 



Dorsura without central trachea-like eleva- 

 tion; raargin with single row of teeth; dor- 

 sum with several pairs of prominent spine- 

 like setae; wax secretiou very abundant, 

 flocculent or woolly Aleurotliriius 



Gemís Aleurocanthus Quaintance & Baker 



Pupa case médium in size, subelliptic in outline, 

 usually dark brown or black in color; raargin of case too- 

 thed,the wax tubes very prominent; subraarginal área not 

 separatod from dorsal disk; dorsum without papillae or 

 pores, though bearing many heavily chitinized spines var- 

 siously arrauged; tracheal folds usually not discernible, 

 though evident in a few species; wax secretion usually 

 present as a narrow íringe from marginal wax tubes. Va- 

 siform orífice sraall, rounded or subcordate in outline, sit- 

 uated on a tubercle-like projection of dorsura; operculum 

 similar in shape and almost entirely filliug it, obscuriug 

 the lingula. 



Adult with one flexure in radial sector of forewing 

 and no spur of media; wings usually blotched or shaded. 

 Males much sraaller than témales. 



Type.—Alfiirodes spinifera Quaintance. 



