68 



ARCTIAD^. 



1308. Castrica phalaenoides. 



Sphinx phalcBnoides, Drury, 111. Ex. Ent. ii. pi. 28. f. (> (1773) ; Kirby, 



Cat. Het. p. 166. 

 Castrica oweni, Schaus, Journ. New York Ent. Soc. iv. p. 136 (1896) ; 



Druce, Biol. Centr.-Am., Het. ii. p. 370, pi. 74. f. 13. 



S . Head brownish grey ; thorax olive yellow-browu, the tegulse 

 white except at tips ; fore coxae tufted with orange hair behind ; 

 legs grey and white ; abdomen pale fuscous, the extremity olive- 

 yeUow, the ventral surface white. Fore wing pale fuscous, the 



Fig. 51. 



inner area olive-yellow ; a hyaline spot in end of cell, conjoined 

 patches between veins 2 and 3, which are almost conjoined to 

 subterminal and terminal patches ; a terminal spot above vein 6. 

 Hind wing brownish white. 



9 . Thorax and abdomen much brighter yellow. Fore wing with 

 the inner area much brighter yellow, the patches suffused with 

 yellow and more separated ; subterminal and terminal spots above 

 vein 7. Hind wing yellow. 



Hah. Honduras ; Costa Eica, 1 $ ; Yenezuela, Aroa, type t in 

 Coll. Schaus. Ex;p., S -14, $ 60 millim. 



Genus THYROMOLIS, nov. 

 Type, T. pytkia. 



Proboscis fully developed ; palpi obliquely upturned, not reaching vertex of 

 head ; antenna; of male with bristles and cilia ; tibias with the spurs moderate ; 

 hind femora and tibiae fringed with long scales on inner side ; patagia ending 

 in tufts of hair ; metathorax with tuft of hair. Fore wing with veins 3, 4, 5 

 from angle of cell ; 6 from upper angle ; 7, 8, 9, 10, 11 stalked. Hind wing 

 with vein 2 from towards angle of cell ; 3, 5 on a long stalk, 4 absent ; 6, 7 

 from upper angle ; 8 from middle of cell, not reaching costa ; the inner area 

 with fold and tuft of long hair, the tornus produced to a lobe. 



1309. Thyromolis pythia. 



Idalus 'pythia, Druce, A. M. N. H. (7) vi. p. 67 (1900). 



S . Head and thorax grey mixed with brown and black ; palpi 

 pale yellow, crimson above ; antennae fuscous, the shaft crimson 

 above towards base, white towards tip ; legs yellow and white ; 

 abdomen pale yellow, with fuscous dorsal patch on four terminal 

 segments, the ventral surface white. Fore wing with the inner 

 area purplish grey extending to basal part of costa, mottled and 



