ON NEW SOUTU-AMERTCAN RHOPALOCERA. 259 



18. New South-Anioriean llhopalocera. By J. J. Joicey, 

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



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



(Plate I.*) 



Index. 



Systematic : Pagre 



Fapilio erlaces chincJiipensis, subsp. n , 259 



I'apilio ipliidamas ayabacensis, subsp. n 259 



Fapilio harmodius tahaconas, ii\x\is\). \\ 260 



Leodonta zeiiohia monticola, subsp. n 260 



Catasticta philone )iiiiibafa, subsp. u 260 



Catasticla flisa tamhoensis, ^vCas]). i\ 260 



Catasticta lathpi, sp. ii 261 



Catasticta nimhice peruviana, subsp. n 261 



Vila eueidiformis, sp. n 261 



YiJa eueidiformis ab. radiccta, new aberration 262 



Polj/ffrapJia cyanea G. & S., $ 263 



Mimicry: 



Vila eueidiformis and JEueides eanides 263 



The types of the forms herein described are in the collection 

 of Joicey. 



Papilionid^. 



Papilio erlaces chinchipensis, subsp. n. 



S . Uj^perside like typical erlaces Gray. Underside with spots 

 as in lacydes Hew. 



2 . Kesembles lacydes but with no post-discocellular spots. 

 This race connects ei^laces erlaces with lacydes through 

 xanthias R. & J. 



Ilab. North Peru— Ohinchipe River, Sept., iTd" d", G$ 5; 

 Oluirape, 4000 feet, 2 $ $ ; Tabaconas, 6000 feet, 2 (^ J . 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. 



(5 . Upperside with reduced green patch on the fore loing. 

 Hind loing with three red spots, all separate. 



Underside of hind wing with the spots smaller and more 

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

 ccdogyna. 



$ similar to calogyna § , 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. 



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

 Tabaconas, 6000 feet, 1 6 . Collected by A. E., & F. Pratt. 



* For explanation of tlie Plate see p. 276. 



