MYSTKOCNEME. PIICENIOSTACTA. 259 



Sect. II. Abdomen of male without ventral valve ; bind tibia; and wings 



normal. 



560. Mystrociieme atavia, n. sp. (Plate IX. fig. 20.) 



Head and thorax black; palpi at base, frons, vertex of head, 

 meso- and metathorax, coxic, and legs with patches of white ; 

 abdomen black, with subdorsal and lateral white spots on 1st seg- 

 ment, the other segments with broad subdorsal golden-green stripes, 

 sublateral series of white points, and ventral fascia ; wings black. 

 Fore wing with hyaline streak below costa ; a bifid wedge-shaped 

 patch in cell ; a fascia below the cell and elongate spots between veins 

 2 and 7, reduced and small in male. Hind wing with hyaline patch 

 in cell ; streak below cell and spots between veins 2 and 6. 



Uah. Uppek Amazons, Fonteboa, 1 $ type, S in Coll. Staudinger. 

 Exp., (S 30, $ 32 millim. 



Genus DIXOPHLEBIA. 



Type. 



Dixophlchia, Eutl. Journ. Linn. Soc, Zool. xii. p. 397 



(1870) quad rist rig ata. 



Proboscis well developed ; palpi upturned, the 2ik1 joint reaching vertex of 

 head, the iird well developed and obtuse ; antenuaj of male bipectinate, with 

 short branches ; tibite lung, the spurs moderate ; abd(jmen long, the terminal 

 segment with lateral and anal tufts. Fore wing narrow towards base; veins 2 

 and 3 irom a point near end of cell ; 4, 5 from angle ; 6 from upper angle ; 7, 

 8, 9, 10 stalked ; 11 from cell ; veins 2-7 of male thickly fringed with long hair 

 above. Hind wing narrow ; the djscocellulars angled ; veins 2 and 4 strongly 

 stalked ; 3 absent; 5 from middle of discocellulars; 6, 7 from upper angle. 



561. DixOphlebia quadristrigata. 



Fseudomya quadi'istrigata, Wlk. xxxi. 82 (1864) ; Kirby, Cat. Het. p. 149. 



S . Black ; thorax orange; abdo- 

 men with slight lateral streaks. 

 Fore wing with hyaline streaks in 

 and below the cell and slight 

 streaks between the fringes of 

 p. ,, . silky hair on veins of outer area. 



Dixophlehia quadristrigata, S. \. ^^^^^^ ^^°8" ^^^^^^ hyaline streak in 



and beyond lower angle of cell. 



$ . Fore wing with short orange-red streaks at base below costa 

 and on vein 1 ; hyaline patches in the interspaces beyond the cell. 



Hah, Beazil, Fga, 1 c? (Bates), type ; Minas Geraes 1 cj" , 1 $ . 

 Eccp. 24 millim. 



Genus PH(ENIOSTACTA, nov. 



Type, P. hamatahasis. 



Proboscis well developed ; palpi porrect, extending well beyond the frons ; 

 antenn£3e bipectinate, the branches dilated at extremity ; tibise with the spurs 

 moderate ; hind tibiie fringed with scales above. Fore wing with vein 3 from 

 well before angle of cell ; 4, 5 from angle ; 6 from just below uppei' angle ; 7, 

 8, 9, 10 stalked ; 11 from cell. Hind wing with veins 2 and 4 stalked ; 3 and 

 5 absent ; 6, 7 from upper angle. 



s2 



