396 Sir G. F. Ilampson on new 



black ; frons oclireous white ; guise orange-red ; vertex of 

 licad with oclireous streaks conjoinecl behind ; teguke, patagia, 

 and dorsum of thorax Avith brownish streaks ; legs streaked 

 with yellow and black, the hind tibise and tarsi orange ; 

 abdomen black with some yellow and brown hairs, the first 

 three segments with dorsal yellow patches and their ventral 

 surface oclireous white. Fore wing hyaline, the veins and 

 margins narrowly black. Ilind wing black with the fold 

 and tuft white. 



Hub. Argentina, La Rioja {GiacomeUi), 1 q type. Exp. 

 24 mm. 



P. 451. For Trichodesma, Ilrapsn. 1898, ncc Lcconte, 

 Col. 1861, read Desmotriciia, n. n. 



10G2«. Delphyre pyroperas, sp. n. 



Head and thorax pale red-brown, the back of head and 

 shoulders with paired crimson spots ; palpi at base and coxjc 

 pale crimson ; abdomen black-brown, the four terminal 

 segments crimson with slight dark segmental lines and the 

 anal tuft blackish, the ventral surface crimson. Fore wing 

 pale red-brown, the veins, discal and submediau fold slightly 

 darker ; a faint diffused discoidal patch, the apical area with 

 faint diffused patch. Hind wing black-brown with hyaline 

 streaks in, below, and just beyond the cell and on basal inner 

 area. 



Hah. Brazil, Ilio Grande do Sul, 1 $ ; Paraguay, Sapu- 

 cay [Fuster), 1 S type- Exp. 42 mm. 



1091c. Euco'eon ])i/rozona, sp. n, 



(^ . Head and thorax black-brown mixed with yellowish, 

 the back of head and shoulders with paired pale crimson 

 spots, the metathorax Avith yellowish-white patch ; coxa; 

 crimson ; abdomen black, with orange-scarlet subdorsal spots 

 on fifth segment and dorsal l)and on sixth to eighth segment. 

 Fore AYing black-brown, with olivc-ycllowish streaks on the 

 veins and in discal and submediau folds ; a curved olive sub- 

 basal line from costa to submediau fold ; antemcdial line 

 slightly angled outwards below costa, then oblique to vein 1 

 and bent inwards to inner margin ; a round dark spot at 

 middle of cell defined on inner side by olive and on outer by 

 a rather (piadrate whitish patch ; an olive discoidal stiiga ; a 

 siniu)us olive line beyond the cell between veins 7 and 3; 

 postmedial line pale oUve, obliiiue from costa to vein 1 at 



