208 INSECUTOR INSCITI^ MENSTRUUS 



Immediately distinguished by the fuscous postmedial space 

 on underside of fore wing. 



Hydriomena cedda, new species. 



Male. — Palpi dark steel gray. Head and thorax pale green, 

 the patagia irrorated with black. Abdomen whitish with dorsal 

 drab shading ; the basal tuft blue black. Fore wings light green 

 with olive green striae, the lines black, the broader markings 

 fuscous edged with black ; a broad spot at base of costa ex- 

 tending just below cell ; a subbasal thick line wavily outbent, 

 expanding on inner margin ; antemedial and medial broad lines, 

 suffusing in cell, narrowing on inner margin ; a postmedial line, 

 thick and outbent on costa, irregular, outcurved from 7 to vein 

 4, only a fine line to vein 3, obsolete to vein 2, fine and vertical 

 below 2 ; subterminal line similar and parallel with postmedial 

 from costa to vein 5, very constricted at vein 7, outwardly touch- 

 ing an apical spot ; below vein 4 there are some traces of black 

 striae which form a double line from vein 2 to tornus ; small 

 terminal black spots. Hind wings whitish faintly suffused with 

 avellaneous ; a fine lunular postmedial line, and a slightly broader 

 similar subterminal line ; some darker shading on termen. 

 Wings below whitish; fore wings with a smoky shade in and 

 beyond cell to a broad postmedial fuscous curved line from 

 costa to vein 2 ; some dark shading before apex. Hind wings 

 with avellaneous irrorations and only a fine postmedial line ; a 

 dark point at upper angle of cell. 



Expanse, 31 mm. 



Habitat. — Las Vigas, Perote, Mexico. 



Type.— Cat. No. 25630, U. S. Nat. Mus. 



Hydriomena midaria, new species. 



Male. — Palpi fviscous mottled with green. Head, collar, and 

 thorax mottled white, green, and black. Abdomen whitish with 

 some avellaneous irrorations ; the curly tuft at base blue black, 

 followed by a black patch ; a black spot on anal hairs above. 

 Fore wings green striated with black ; the lines as usual black, 

 or fuscous edged with black ; basal stripe interrupted on vein 1 ; 



