<364 SYNTOMID^. 



from segment 3 to anal tuft ; wings hyaline, the veins and margins 

 narrowly black ; fore wing with quadrate discoidal spot. 



Hab. Cayenne. /Ii?/). 21 milliin. This species is unknown to me. 



804. Desmidocneniis platyleuca. 



Glaiicopis plati/kitc-a, Wlk. i. 198 (1854) ; Butl. 111. Het. i. p. 35, pi. 13. 

 f. 2 ; Kirby, Cat. Het. p. 148. 



S ' Head, thorax, and abdomen black ; frons edged with grey ; 



antennae white at tips ; patagia 

 slightly edged with yellowish ; 

 l)alpi, thorax, and abdomen 

 white below ; wings hyaline, 

 the veins, and margins narrowl J', 

 black. Eore wing with the black 

 Fig 174 on inner margin broadening 



Desmidocnemis platyleuca, ^. \. slightly to base. Hind wing 



with the costa white, with a 

 black fascia below it beyond end of cell. 



Hah. Venezuela, 1 S type. Exp. 24 millim. 



Genus DIPTILON. 



iype. 



Diptilon, Prittw. Stett. eat. Zeit. xxxi. p. 3i9 (1870) ... tclamonapliorum. 



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

 head, the 3rd moderate ; antennae of male bipectinate, with moderate branches 

 dilated at extremity and ending in a bristle ; tibiae with the spurs moderate ; 

 abdomen with lateral tubercles lo 1st segment. Fore wing with vein 3 from 

 well before angle of cell ; 5 from just below middle of discocellulars ; G from 

 upper angle ; 7, 8, 9, 10 stalked ; 11 from cell. Hind wing very narrow, with 

 the cell very long ; vein 2 from before angle of cell ; 3 and 5 separate at origin ; 

 4 absent ; (J, 7 from upper angle. 



Sect. I. Hind wing very minute and distorted with a costal fold, and the inner 

 ai'ea forming a long laminate folded process containing tufts of hair 

 and separate almost from base. 



A. Tarsi and veins of underside of fore wing orange- red. telamonai^horum, 



B. Tarsi and veins of underside of foi-e wing brown ... halterata. 



805. Diptilon telamonaphorum. 



Diptilon telamonaphoruin, Prittw. Stett. ent. Zeit. xxxi. p. 350, pi. 2. f. 2 

 a-d (1870) ; Kirby, Cat. Ilet. p. 148. 



S . Black-brown ; gulae crimson ; coxae white ; tarsi and under- 

 side of hind tibiae orange-red ; abdomen with yellowish dorsal 

 patches on 2nd, 3rd, and 4th segments, which are whitish below. 

 Fore wing yellowish hyaline, the veins, and margins narrowly, black; 

 a black discoidal spot; underside with the veins except towards 

 apex and the discoidal spot orange-red. 



Hah. Brazil, Minas Geraes 1 cJ , Bio Janeiro, 1 S type t in Coll. 

 Staudinger. Exp. 24 millim. 



