STAPHYLTTS. 433 



Dr. Staudinger described this species from specimens sent him by Ribbe from Panama l , 

 one of which is before us. It is a very common insect all over Central America and 

 Southern Mexico up to an elevation of 4000 or 5000 feet above sea-level. S. hayhursti 

 (Edvv.) is a very nearly allied species, differing apparently in its paler more decidedly 

 mottled wings, and especially by the purer white of the palpi beneath. 



The male genitalia have a peculiar tegumen, which is slender, bent downwards in the 

 middle, and then curving outwards ends in a sharp slender point ; on the superior angle 

 of the bend a tuft of curved hairs stands : the harpes are simple lobes slightly constricted 

 in the middle, and ending in short, thick-set, upturned bristles. (See Tab. LXXXIX. 

 fig. 14.) 



In outward appearance 8. ascalaphus is very like the North-American 8. hayhursti, 

 both having a similarly shaped outer margin to the secondaries. S. hayhursti is a little 

 paler in colour, the faint markings of the wings rather more plainly shown, and the 

 palpi purer white beneath. The genitalia of 8. hayhursti resemble those of 8. asca- 

 lajphus so far as the peculiar shape of the tegumen is concerned ; but the upper lobe 

 of the harpes carries a long recurved horn, the lower lobe projecting slightly with a 

 rounded end. (See Tab. LXXXIX. fig. 10.) 



6. Staphylus aztecus. (Tab. LXXXIX. figg. 17 <s , 18 $ .) 



Pholisora azteca, Scudder, Rep. Peab. Ac. Sc. 1871., p. 72\ 



S. ascalapho similis, sed alis omnibus omnino pallidioribus ; anticis punctis tribus hyalinis subapicalibus (medio 

 basi proximo) ; posticis margine externo fere integro ; palpis subtus albis. 



Hab. Mexico, Rinconada ( W. Schaus), Atoyac, Teapa, Dos Arroyos (H. H. Smith), 

 Tehuantepec (Scudder x ). 



Our specimens of this species from both sides of the mountains of Southern Mexico 

 agree fairly with Mr. Scudder's description of his Pholisora azteca ; but we cannot be 

 certain of our identification, as neither the sex of the type or the colour of the palpi 

 beneath is stated. Mr. Scudder's comparison of his P. azteca with Hesperia hayhursti 

 of Edwards guides our determination, as the series before us certainly indicates a close 

 alliance with that species, the chief difference being the even margin of the secondaries 

 of 8. aztecus as we understand it. 



The male genitalia do not differ from those of 8. ascalaphus, so that the two species 

 can be separated on external characters alone. 



d. S. evippe group. 



7. Staphylus evippe, sp. n. (Tab. LXXXIX. figg. 19, 20 6 .) 



Alis saturate brunneo-fuscis, fere unicoloribus ; anticis punctis duobus (inferiore obsoleto) subapicalibus 



hyalinis ; palpis subtus plerumque albis, pilis sparsis fuscis intermixtis. 

 2 mari similis, punctis anticarum hyalinis majoribus, plica costali nulla. 



biol. centr. amer., Rhopal., Vol. II., October 1896. 3 k 



