NEW HETEKOCEROUS MOTHS' — SCHAUS 501 



A large square-winged species. Expanse: 112 mm. 

 Habitat. — Bucay, Ecuador. 

 Type.— U.S. ^.il. No. 34753. 



Genus AUTOMERIS Hiibner 



AUTOMEWS HOSMERA, new species 



Male. — Antennae cinnamon-rufous; palpi and head dark olive- 

 buff; collar and thorax huffy brown, somewhat paler on metathorax; 

 abdomen dorsally with segmental black tufts edged with dull bluish 

 hairs and \^'ith a paler lateral line; underneath as above. Fore wing 

 falcate, buffy brown, the lines fine, pale purple-drab; an antemedial 

 vertical line; a large postmedial irregular line forming a somewhat 

 quadrate spot; a line from middle of inner margin to apex edged 

 below by a dark line; some pale shading on termen medially. Hind 

 wing with darker shading on inner margin; a very large round spot 

 above inner margin, black outwardly edged by a fine pinkish line, 

 inwardly edged with reddish scales and a few white scales, in the 

 center with a broad black streak ; termen with a fine black subterminal 

 line, below it a narrow purplish shade, the terminal edge and cilia 

 dull grayish. Fore wing below dark olive-buff with vinaceous-buff 

 suffusions; a medial large black spot containing a small white spot; a 

 sinuous black line from middle of inner margin to apex where it is 

 edged on costa with a dark shade; the termen with some darker 

 shading. Hind wing below light brownish drab; a faint dark post- 

 medial line, above it a white point ; some faint dark streaks subtermi- 

 nally on interspaces. 



Expanse: 102 mm. 



Habitat. — Juan Vinas, Costa Rica. 



T?/i?e.— U.S.N.M. No. 34751. 



Larger than Automeris leucane Hiibner; and the spot on hind wing 

 different. 



Family ARCTHDAE 



Genus HALISIDOTA Hiibner 



HALISIDOTA ZACUALPANA, new species 



Male. — Antenna with long pectinations, the stalk white; palpi 

 short, black; head and collar olive-yellow; thorax with darker hairs; 

 patagia reed yellow; abdomen above olive-yellow, with broken dark 

 segmental lines, underneath with darker suffusions. Wings mar- 

 guerite yellow, the fore wing with ecru-olive streaks along cell, broken 

 and narrower tow^ard apex; a short streak above inner margin; veins 

 darker, the outer spacer w^ith deeply curved lines on interspaces and a 

 terminal line between the veins. Hind v/ing with faint darker shading 



