ON NEW SOUTH- AMERICAN RHOPALOCERA. 



259 



18. New South- American Rhopalocera. By J. J. Joicey, 

 F.L.S., F.Z.S., F.E.S., and G. Talbot, F.E.S. 



[Keceived June 20, 1917 : Read November 20, 1917.] 

 (Plate I .*) 



Index. 



Systematic : Pajre 



Papilio erlaces cliinchipensis, subsp. n 259 



Papilio iphidamas ayabacensis, subsp. n 259 



Papilio harmodius tabaconas, subsp. n 260 



Leodonta zenobia monticola, subsp. n 260 



Catasticta philone nimbata, subsp. n 260 



Catasticta fiisa tamboensis, subsp. n 260 



Catasticta lathyi, sp. n 261 



Catasticta nimbice peruviana, subsp. n 26L 



Vila eueidiformis, sp. n 261 



Vila eueidiformis ab. radiata, new aberration 262 



Polygrapha cyanea Gr. & S., ^ 263 



Mimicry: 



Vila eueidiformis and TSueides eanides 263 



The types of the forms herein described are in the collection 

 of Joicey. 



PapilionidvE. 

 Papilio erlaces chinchipensis, subsp. n. 



6 . Upperside like typical erlaces Gray. Underside with spots 

 as in lacydes Hew. 



9 . Resembles lacydes but with no post-discocel hilar spots. 



This race connects erlaces erlaces with lacydes through 

 xanthias R. & J. 



Hah. North Peru— Chinchipe River, Sept., 17 6 d , G 2 2 

 Charape, 4000 feet, 2 $ 2 ; Tabaconas, 6000 feet, 2^6. These 

 places are on the eastern slopes of the Andes. Collected by 

 A. E., & F. Pratt. 



Papilio iphidamas ayabacensis, subsp. n. 



Nearest to the race calogyna Roths. & Jord., from West Ecuador 

 and Colombia. 



$ . Upperside with reduced green patch on the fore vying. 

 Hind wing with three red spots, all separate. 



Underside of hind iving with the spots smaller and more 

 widely separate ; ground-colour not so black and browner than in 

 calogyna. 



2 similar to calogyna 2 » but band of hind wing much whiter 

 and with an extra spot in cellule 6, similar to a specimen in the 

 Tring Museum from Zaruma, S.W. Ecuador, which has the band 

 of the hind wing half white. 



Hah. North Peru— Ayabaca Mtns., 6 6 6 , 2 $ $ ; River 

 Tabaconas, 6000 feet, 1 <5 . Collected by A. E., & F. Pratt. 



* For explanation of the Plate see p. 276. 



