LEPIDOPTERA HETEROGERA. 1315 



ISOPTERYX? DIMINUTALIS. 



Sub fusco -alba ; palpi graciles, ascendentes, nigricante trifasciati, 

 articulo So lanceolato 2o vix breviore ; alee anticce angusta, 

 subfalcatm, apice subrotundatce, lineis duabus albis undulatis 

 nigricante marginatis, macula inter tineas nigricante, linea 

 antemedia alba, linea marginali brevi punctisque tribus pos- 

 ticis nigris. 



White, slightly tinged with brown. Body beneath and legs 

 silvery white. Proboscis slender. Palpi smooth, slender, with three 

 blackish bands, slightly ascending, shorter than the breadth of the 

 head ; third joint lanceolate, nearly as long as the second. Maxil- 

 lary palpi obtuse, a little more than half the length of the labial 

 palpi. Antennae stout, smooth. Legs smooth; tibiae with a blackish 

 band ; tarsi with two blackish bands. Fore wings narrow, subfalcate, 

 slightly rounded at the tips, with two undulating white blackish- 

 bordered lines ; first line rather before the middle; second near the 

 exterior border; a blackish spot in the disk between the lines; a less 

 distinct white line near the base ; a short black marginal line and 

 three hinder black points. Length of the body 3 lines ; of the wings 

 7 lines. 



a. Limas, Honduras. Presented by H. T. Stainton, Esq. 



ISOPTERYX D1SCOLORALIS. 



Mas. Albida ; fasciculus frontalis productus ; palpi breves, decum- 

 bentes, articulo 2o lato, So minimo ; abdominis latera basi 

 ochraceo fasciculata ; tibiae posteriores late fimbriate ; alee 

 anticce apice rotundatce, lineis duabus albis parallelis fusces- 

 cente marginatis vix denticulatis, margine exteriore subroseo, 

 fimbria rosea nigro interlineata. 



Male, Whitish. Frontal tuft prominent. Palpi decumbent, 

 much shorter than the breadth of the head; second joint broad; 

 third very minute. Abdomen not extending beyond the hind wings ; 

 a long tuft of ochraceous hairs on each side at its base. Legs 

 moderately stout; posterior tibiae broadly fringed. Fore wings 

 rounded at the tips, with a rosy tinge towards the exterior border ; 

 two white parallel pale brownish-bordered hardly denticulated not 

 oblique lines; fringe rosy, shining, interlined with black; exterior 

 border hardly convex, moderately oblique. Length of the body 

 2 lines ; of the wings 5 lines. 



u. Ega. From Mr. Bates' collection. 



s2 



