( liJ ) 



Family GEOMETEWAE. 

 SriiFAMiLY OENOCHROMINAE. 



Entogonia gen. nov. 



Foreicing : triangular ; cosfa nearly straight, dejjressed at apex ; hinilraargin 

 olili(|ue, hardly curved ; inner margin somewjiat convex. 



Iliitihrinq : with rounded hindniargin : both angles well marked, tlie apical 

 rounded, the anal rectangular ; inner margin at two-hi'ths with an angular fringed 

 projection. 



Abdomen (<?) short, not nearly reaching anal angle of hindwing ; antennae 

 ciliated ; palpi porrect, second segment thick, rough-scaled, terminal segment 

 small, depressed ; tongue present ; frenulum very fine ; hindtibiae dilated, with 

 a large pencil of hairs and four spurs. 



Xeuration : forewing, cell half as long as wing ; discocellnlar slightly concave 

 outwards ; first median nervnie just beyond middle, second near before third ; 

 radials normal; T, 8, !i. 111 stalked from well before end of cell ; 11 out of 12, 

 anastomosing with 8, 0, 10 : hindwing, discocellnlar oblique, the radial from 

 the centre; costal approximating to subcostal shortly near base; veins 3 and 7 

 before angles of cell. 



Type : Entogonia schistacea spec. nov. 



21. Entogonia schistacea spec. uov. 



Forewing : pale slate-colour ; the lines pale ; first very indistinct, from 

 one-fourth of costa to one-third of inner margin, curved, plainer below middle ; 

 second at two-thirds, roundly bent outwards beyond cell, then jiarallel to hind- 

 margin ; a faint pale cell-spot ; a faint waved whitish submargiual line ; fringe 

 concolorons, with a very fine black basal line, thickened into dots between veins 

 towards apex. 



Hindicing : with j'ostmedian and submargiual lines, both more distinct ; 

 the black basal fringe line preceded by a whitish line. 



Underside paler, the markings faintly showing through : cell-sjiots dark, 

 indistinct. 



Head and palpi dark brown ; thorax and abdomen like wings. 



Expanse of wings : 3() mm. 



1 t? from San Ernesto, Bolivia, lnOO m., August, iSeptember I'.Miii (Simons). 



Leucoreas gen. nov. 



Forewing: ample; costa slightly curved ; hiudmargin hardly oblique. 



Hindwing : ample ; hiudmargin curved ; both angles prominent, rounded. 



Antennae simple, snbserrate, pubescent ; palpi short and stout ; forehead 

 protuberant ; tongue and frenulum both well developed ; hindtibia with four 

 spurs. 



Neuration : forewing, cell nearly half as long as wing ; discocellnlar oblique, 

 concave ; first median nervule just beyond middle, second at seven-eighths ; radials 

 normal ; 7, 8, 9, 10 stalked from the bend in subcostal ; 11 free, anastomosing with 

 12, 111 anastomosing witli ll.iind again willi S, '.) : hindwing, costal and subcostal 



