466 LEPIDOPTEKA HETEROCEItA. 



Black. Head bright blue. Antennae purple. Proboscis tawny. 

 Thorax bright blue in front and with a blue stripe on each side. 

 Pectus mostly blue. Legs blue or purple, excepting the tarsi. Fore 

 wings with a blue stripe at the base of the costa, an oblique blue 

 band before the middle, three blue stripes beyond, and a blue dotted 

 line along the border. Length of the body 3^ lines ; of the wings 

 10 lines. 



a. Hong Kong. From Mr. Harrington's collection. 



Genus 73. THIRMIDA. 



Mas. Corpus sat gracile, mediocriter longum, fere lineare et 

 cylindricum. Caput et thorax hirta. Palpi ascendentes, capite 

 paullo breviores ; articulus 3us gracilis, acuminatus, 2o paullo ore- 

 vior. Antennse latissime pectinatae, ramis subsetosis apud medium 

 longioribus. Abdomen thorace multo gracilius, alas posticas paullo 

 superans. Pedes sat graciles; tibiae posticae caicaribus quatuor lon- 

 gis. Alae mediocriter longae et latae ; anticag vix angulatae, venis 2a 

 et 3a inferioribus basi conjunctis. 



Male. Body of moderate length, rather slender, nearly linear 

 and cylindrical. Head and thorax hairy, the latter rather stout. 

 Palpi ascending, a little shorter than the head ; third joint slender, 

 acuminated, a little shorter than the second. Antennae very deeply 

 pectinated ; the branches longest in the middle, beset with short 

 bristles. Abdomen much more slender than the thorax, extending 

 a little beyond the hind wings. Legs rather slender; hind tibiae 

 with four long spurs. Wings moderately long and broad. Fore 

 wings hardly angular ; second and third inferior veins united at the 

 base. 



1. Thirmida dimidiata. 



Cyaneo -nigra ; alee fere bistriente lutea, nigro uniguttatce ; antica 

 nigra venosce. 



Bluish black. Thorax very hairy. Wings luteous for nearly 

 two-thirds from the base, with a black dot on each near the costa 

 and very near the border of the luteous part. Veins of the fore 

 wings with black borders above. Hind wings quite black towards 

 the tips above; inner border and hind border black, the former 

 deeply fringed. Length of the body 6 — Q\ lines; of the wings 17 

 — 18 lines. 



a. Santa Fe de Bogota. From Mr. Isaacson's collection. 



b. Santa Fe de Bogota. Presented by E. Doubleday, Esq. 



c. Colombia. From M. Becker's collection. 



