Bvttcrfiicfi from Co4a Rica. 87 



HETEROCERA. 

 PAMILY ZYG^NIDiE. Leach. 



GENUS EUCHROMIA. Hubner. 

 Eucliromia ScintiUans, sp. nov. 



Alffi supra nigeiTimae, anticne ad basin nitide virescentes ; 

 fasciola postmedia obliqua ciliisque coccineis ; macula pone 

 cellam indistincta certo situ cterulescente ; posticaj margine 

 externo coccineo : corpus nitide viriduni, thorace nigro 

 bifasciato, antennis nigris : aire subtus nigra?, anticte area 

 interna cinereo fuscescente ; area basali maculisque duabus 

 pone cellam nitide viridibus ; fascia media coccinea latiore 

 quam supra ; ciliis coccineis ; posticce nitide virides ; costa, 

 areola apicali et fascia submarginali decrescente nigris ; 

 margine externo coccineo : corpus viridum pedibus viri- 

 dibus tarsis nigrescentibus, anticis autem coxis et femoribus 

 niveis ; antennis nigiis : exp. alar. unc. 1, lin. 10. CoD. 

 E. W. Janson. 



Allied to E. fulgida, but very distinct ; it belongs to the 

 group Aittomolis of Walker. 



FAMILY LITHOSIID^. Stephens. 



GENUS DIOPTIS. Huhmr. 

 Dioptis Ithomeina, sp. nov. 



Alfe supra hyalinse venis marginibusque nigro-cinereis ; 

 antica* macula magna postmedia subovali alba utrinque 

 nigro-cinereo limitata; punctis duobus subapicalibus ma- 

 culisque duabus parvis anali-submarginalibus, albis ; corpus 

 cinereo-fuscum, thorace albido hirto : alee subtus velut 

 supra : corpus cinereum, abdomine albo : exp. alar. unc. 1, 

 lin. 3. CoU. E. W. Janson. 



Near no species with which I am acquainted. 



