496 



form. This variety was observed by me in great numbers in 

 the same district, as well as in other parts of Puna and in the 

 Hilo district, breeding- always in Bobca, but in no other tree. 

 No conspicuous variations were observed except that one exam- 

 ple had the legs entirely black, and this occurred among 

 numbers of ordinary individuals. 



* 5 and 6. Three examples from above Waimea, Kauai, at 

 elevations of 3300, 3500, and 4000 ft., each taken at large, are 

 exactly similar to those taken by myself on Ohia-ha, in which 

 they were observed ovipositing, and with those given me by 

 Mr. G. C. Munro. which are now in the British Museum. Ex- 

 cept in size and depth of coloring the species does not seem to 

 vary greatly. 



6a. Two examples taken by Mr. H. T. Osborn at Kokee, 

 Kaui. and labeled P. miinroi, agree with the original specimens. 

 One of these was taken on ohia lehua and probably this is the 

 food plant. As in P. aequalis the femora are either black or 

 red. 



4. A single example of P. aequalis from Kaholuamano, 

 Kauai, is a typical specimen of the red-legged form. It was 

 taken at large, but the species is entirely attached to Acacia 

 koa, in the bark of which I have seen very large numbers 

 ovipositing. 



3. A single example taken "at large" at Kaholuamano, 

 Kauai, is P. ignotiis, originally discovered by Mr. G. C. Munro 

 at a considerably lower elevation. Its food plant still remains 

 unknown. The only specimens known have red femora, but 

 whether the species is constant in this, like concolor, or variable, 

 like niunroi, aequalis, and arachnipes, remains to be discovered. 



These Kauai species bear a very great superficial resemblance 

 to one another, and even the larger concolor might in the case 

 of smaller and darker individuals be easily confused in the 

 field, if captured away from its food plant. The following 

 table will distinguish the species on characters, which are visible 

 to the naked eye and can be used by the collector. 



* Exact determinations not given by Dr. Perkins. I suppose he means 

 these to be P. munroi. (\V. M. Giffard.) 



