180 Mr. W. Scliaus on 



vein 2. Hind wings : the apex and inner margin more 

 broadly black. 



Expanse 25 mm. 



Hah. Juan Vinas. 



Argyrceides spectrum, sp. n. 



Antennae reddish brown, the pectinations black. Body 

 above black ; a transverse buff streak behind metathorax. 

 Abdomen : a lateral wliite streak on three basal segments ; a 

 ventral white streak. Thorax below with some white streaks. 

 Legs light brown. Wings hyaline. Fore wings : the veins, 

 base of inner margin, outer half of costal margin, and cilia 

 light reddish brown ; the outer margin from above vein 4 to 

 apex narrowly dark brown, irrorated with light reddisli brown. 

 Hind wings : the outer margin from before vein 3 to apex 

 broadly dark brown. 



Expanse 28 mm. 



Hub. Volcano Poas. 



Chrysostola mellita, sp. n. 



Palpi, head, collar, and thorax black ; opalescent lilucine 

 purple spots on vertex and tegulae in front. Abdomen : first 

 segment above black, mixed with yellow hairs dorsally; 

 segments 2-5 yellow ; last segments black, shotwith lilacine 

 purple ; underneath yellow, except last two segments, which 

 are black. Thorax below and legs yellow ; tarsi black. 

 Wings hyaline. Fore wings : the basal half of costal mar- 

 gin and veins, also inner margin to near tornus, yellow, 

 irrorated with black at base ; the outer half of veins and 

 margins otherwise finely black ; the apex broadly black ; a 

 black streak on discocellular. Hind wings : costal margin, 

 veins, and inner margin yellow, the latter with some fuscous 

 hairs ; the apex broadly black, narrowing to vein 2 ; the 

 veins black close to black area. 



Expanse 30 mm. 



Uab. Sixola. 



Ecdemus ohscuratum, sp. n. 



Palpi oohreous and white at base, otherwise black, streaked 

 with white in front ; some ochreous below and at sides of 

 eyes. Antennae black, irrorated with white at tips. Collar 

 and thorax black. Abdomen blue-black above, white ven- 

 trally ; coxse white ; some whitish streaks on legs. Fore 

 wings black, the veins distinct ; a hj^aline streak above and 

 below median vein, with short streaks between veins 2-5, 



