MYSTKOCXEAIE. PlItEXIOSTACXA, 259 



Sect. II. Abdomen of male without veutral valve ; bind tibiae and wings 



normal. 



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



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

 meso- and metathorax, coxtc, 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-groen stripes, 

 sublateral series of white points, and veutral 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. 



Uab. Upper Amazons, Fonteboa, 1 $ type, S in Coll. Staudinger. 

 Exp., c? 30, $ 32 miUim. 



Genus DIXOPHLEBIA. 



Type. 



DixopJdehia, Eutl. Journ. Liiui. Soc, Zool. xii. p. 397 



(1876) quadristrigata. 



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

 head, the ord well developed and obtuse ; antenu;i3 of male bipectinate, with 

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

 segment with lateral and anal tufts. Fore ning 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 ; 1 1 from cell ; veins 2-7 of male thickly fringed with long hair 

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

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



561. Dixophlebia quadristrigata. 



Tseidomya quadristrigata, Wlk. xxsi. 82 (1864) ; Kirby, Oat. Het. p. 149. 



d" . 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 

 pj 2J4 silky hair on veins of outer area. 



Bixcyphlebia quadristrigata, S- \- -^"^"^^ ^^"» ^^^^^ hyaline streak in 



and beyond lower angle of cell. 

 2 . Fore Aving with short orange-red streaks at base below costa 

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



Hnb. Brazil, Ega, 1 cf (Bates), type ; Minas Geraes 1 J , 1 J . 

 Ea;^. 24 millim. 



Genus PHffiNIOSTACTA, nov. 



Type, P. hamatalasis. 



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

 antennte bipectinate, the branches dilated at extremity; tibia3 with tlie spurs 

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

 well before angle of cell ; 4, 5 from angle ; (5 from just below upper angle ; 7, 

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

 5 absent ; 0, 7 from upper angle. 



s2 



