144 arctiaDjE. 



Genus PSYCHOPHASMA. 



Type. 



Psychophasma, Butl. Trans. Ent. Soc. 1878, p. ol erosa. 



Proboscis i'uUy developed ; palpi upturned, not reaching vertex of head, the 1st 

 and 2nd joints broadly scaled, the 3rd naked ; antennas long, bipectinate in male 

 with moderate branches, in female with very short branches ; tibiaj with the 

 spurs short ; abdomen dorsally clothed with rough hair towards base. Fore 

 wing with tlie costa arched towards apex which is produced and acute ; the 

 termen excised to vein 4, where it is strongly angled and produced to slight 

 points at veins 6 and 3 ; vein 3 from well before angle of cell ; 4, 5 from angle ; 

 6. 7, 8, 9. 10 stalked, 6 from after 10 and strongly curved at base; 11 free. 

 Hind wing with vein 3 from close to angle of cell ; 4, 5 stro)igly stalked ; 6, 7 

 shortly stalked ; 8 from middle of cell. 



1471. Psychophasma erosa. 



Halesidota erosa, Herr.-Schaff. Aussereur. Schmett. f. 550 (1858) ; Druce, 



Biol. Centr.-Am., Het. i. p. 101 ; Kirbv, Cat. Het. p. 194. 

 Halesidota albidator, Wlk. xxxi. 313 (1804). 

 Halesidota vitripennis, Wlk. Char. Lep. Het. p. 12 (1869). 



Head and thorax pale brownish grey ; palpi and frons black, the 

 former with orange patches at sides and white at extremities of 



Fig. 88, — Psychophasma erosa. ^ . \. 



joints, the latter orange below ; antenuie brown ; vertex of head 

 and tegulse with pairs of black points ; tegula) and metathorax edited 

 with white ; coxa3 with some fulvous hair, femora striped with 

 black, tibiae and tarsi black striped with white ; abdomen dorsally 

 fuscous with segmental whitish lines, the hair towards base brown, 

 a lateral series of black spots, the ventral surface grey-brown. 

 Fore wing brownish white, semihyaline except the marginal areas ; 

 basal and subbasal blackish marks on costa, the latter with two 

 points below it : antemedial pairs of points on costa, subcostal and 

 median uervures, and vein 1 ; a medial black patch on costa ; two 

 black streaks on inner area from middle to near termen ; a pale 

 brownish discoidal spot; postmedial and subterminal series of black 

 points on the, veins and a longer streak on vein 5 ; the terminal 

 brownish band Avith crenulate inner edge with white marks on it, 

 expanding at apex with some white streaks on it. Hind wing 

 semiliyaline w^hitish, the inner area clothed with brownish hair. 



Hah. Guatemala {Eodrigucz), 1 $ ; Costa Rica i Underwood)., 

 2 2 ; Panama, Chiriqui (Kibhe), 1 c? , Godman-Salvin Coll. ; Ecuador, 

 Sarayacu (BucMeij), 4 S ; Brazil, 1 c5' , type $ vitr'q)ennis, Amazons, 

 E. Jurua (Trail), 1 (5 , Ega (Bates), type J a/hidator. Exp., S 44, 

 $ 48 millim. 



