144 ARCTIAD^:. 



Genus PSYCHOPHASMA. 



Type. 



Psi/ckophasma, Butl. Trans. Ent. Soc. 1878, p. 51 erosa. 



Probospis fully developed ; palpi upturned, not reaching vertex of head, the 1st 

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

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

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

 wing with the 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 \ eius 6 and 3 ; vein 3 from well before angle of cell ; 4, 5 from angle ; 

 6. 7, 8, V). 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 strongly stalked ; 6, 7 

 shortly stalked ; 8 from middle of cell. 



1471. Psychophasma erosa. 



HaJesidota erosa, Herr.-Schaif. Aussereur. Schmett. f. 550 (1858) ; Druce, 



Biol. Centr.-Ara., Het. i. p. 101 ; Kirby, Cat. Het. p. 194. 

 Halesidofa albidator, Wlk. xxxi. 313 (1864). 

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



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

 former with orange patches at sides and white at extremities of 



Fig. 88. — Psi/chophasma erosa, S. \. 



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

 and te^ulae with pairs of black points ; tegulae and metathorax edged 

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

 black, tibi;e 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. 

 Tore wing brownish white, semihynline 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 nervures, 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 with crenulate inner edge with white marks on it, 

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

 semiityaline whitish, the inner area clothed with brownish hair. 



B<if). Guatemala (Rodriguez), 1 2 5 Costa Rica (Undenuood), 

 2 9 ; Panama, Chiriqui (Kihhe), 1 cS , Godman-Salvin Coll. ; Ecuador, 

 Parayjicu (Buckley), 4 c? ; Beazil, 1 c5" , type $ vitripennis, Amazons, 

 li. Juruji (Trail), 1 (S , Ega (Bates), type J a/hidator. Exp., (S 44, 

 2 48 millim. 



