8 TROPICAL AMERICAN HETEROCERA 



Trochuda partalba sp. n. 



cf . Body white, the palj)! outwardly brown; some fauit brownish shading 

 dorsally on abdomen. Fore wings pale ochreous brown; base and inner mar- 

 gin tinged with white; a white spot edged with darker brown on discocellular, 

 outbent behind between veins 4 and 5. Hind wings white, very faintly tinged 

 with brown towards apex. Wings below white, the costal halt' of fore wings 

 tinged with oclu'aceous brown extending along termen to near tornus; eilia 

 on both wings tinged with brown. Expanse, 32 mm. 



Habitat: Nova Friburgo, Brazil. 



Trochuda roseidorsum sp. n. 



cf. Palpi dark brown. Head white. Collar, thorax, and wings whitish 

 ocher. Abdomen white at base, then dorsally brilliant roseate. Fore wings: 

 a white line on discocellular, preceded by a narrow black shade, and followed 

 b}^ diffuse black shadings on interspaces from below vein 3 to vein 7. Hind 

 wings slightly paler than fore wings. Wings below white; costa of fore wings 

 shaded with fuscous brown, the apex with whitish ocher. Expanse, 33 mm. 



Habitat: Joinville, southeastern Brazil. 



These three species are congeneric with stilpnotia Walker. 



Saturniidae 



Micrattacus friburgensis sp. n- 



cT. Head, collar, and thorax gray. Abdomen light reddish brown. Fore 

 wings gray irrorated with black hairlike scales; costal space above median 

 and vein 4 shaded with hght reddish brown; lines straight, ocher white, out- 

 wardly dark shaded; the basal line very oblique from costa near base; ante- 

 medial Une very slightly outbent; postmedial line slightly inbent; a fuscous 

 gray streak on discocellular edged with ocher white; a zigzag subterminal 

 pale line from vein 4 to tornus; the costal edge grayish. Hind wings light 

 reddish brown; a fine fuscous shade on discocellular; a fine outer black line 

 followed by an irregular fuscous shade; cilia tipped with white. Fore wings 

 below yellow, the costa shaded with reddish brown; a dark streak on discocel- 

 lular, and a fine postmedial line. Hind wings below shaded with reddish 

 brown; a fuscous line on discocellular; a fine outer Une from costa near apex 

 to inner margin at two-thu-ds from base. Expanse, 39 mm. 



Habitat: Nova Friburgo, Brazil. 



Hylesia multiplex sp. n. 



Rosy brown, head, thorax, and abdomen alike with dense rosy brown hairs; 

 antennae browni, not yellow. Fore wings scarcely falcate, rosy brown with 

 darker lines; basal space nearly solidly filled; outer hne broad, incurved below, 

 toufhing ths discal spot at bass of vein 3; submarginal line scalloped, lightly 

 shaded; terminal half-band darker. Hind wing with narrow clouded discal 

 mark, th? two narrow curved outer lines alike in tone, dark. Expan.se, 4S 

 mm. 



