CILEKEPHON. 475 



a. Brand on the primaries conspicuous. 



1. Chaerephon citrus. (Tab. XCIII. figg. 1-4, s .) 



Pamphila citrus, Mab. Le Nat. 1889, p. 144, fig. 1 \ 



Alis fuscis, stigmate nigrescente, squamis fulvis sparsim vestitis ; anticis punctis duobus aut tribus in linea 

 transversa subapicalibus, macula minuta ad cellulae finem (interdum obsoleta), aliis quinque in serie obliqua 

 et sinuosa infra et ultra cellulam (quarta et quinta interdum obsoletis), fulvis ; posticis maculis quatuor 

 in serie curvata apicem versus plus minusve distinctis, fulvis : subtus anticis fuscis, punctis paginse supe- 

 rioris majoribus, costa et ad apicem late, squamis flavis dense tectis ; posticis fiavis, fusco-marmoratis, 

 maculis in serie subangulata marginem externum versus, aliis tribus basin propioribus, pallide fiavis ; 

 anticis et posticis punctis minutissimis marginalibus ad venarum fines ornatis ; corpore subtus canescente ; 

 ciliis griseis. 



$ mari similis, sed maculis majoribus et magis distinctis. 



Hab. Mexico (mus. Staudinger), Venta de Zopilote, Dos Arroyos and Chilpancingo 

 in Guerrero (H. H. Smith), Mazatlan (67. Mathew) ; Guatemala, San Geronimo, 

 Guatemala city (F. D. G. & 0. S.) ; Honduras ( Wittkugel, in mus. Staudinger 1 ). 



Dr. Staudinger has lent us the type of this species, a male, from Honduras, as well 

 as an abraded female from Mexico, the latter being labelled Pamphila reticulata, H.-S. 

 We have six others agreeing with these from various localities in Mexico and Guatemala, 

 including both sexes. For the genitalia of the male, see Tab. XCIII. tig. 4. 



b. Brand on the primaries very faint. 



2. ChaBrephon rhesus. (Tab. xcili. figg. 5, 6, $ ,■ 7, <s .) 



Pamphila rhesus, W. H. Edwards, Field and Forest, hi. p. 116 1 ; Skinner, Ent. News, 1900, p. 414, 

 t. 2. ff. 19,20 (<?) \ 



Alis fuscis, punctis subapicalibus tribus in linea transversa, maculis quatuor in serie obliqua et sinuosa infra 

 eos, alia minuta ad cellulae finem, sordide albis : subtus anticis fuscis, costa fiavidis, maculis ut supra, 

 sed majoribus et quinque (nee quatuor) in serie obliqua ; posticis fiavidis, linea macularum comiuentium 

 litteram > formante et macula ad cellulae finem albis, margine interno fusco, macula in cellula aliisque 

 discalibus nigro-fuscis ; anticis et posticis punctis minutissimis marginalibus ad venarum fines ornatis ; 

 corpore subtus canescente ; ciliis griseis. 



2 mari similis. 



Hab. North America, Colorado 1 2 , Arizona. — Mexico {mus. Staudinger), Milpas in 

 Durango 5900 feet (Forrer), Salazar 10,000 feet (coll. Schaus). 



Of this species we have seen a worn pair from Durango and a female in very fresh 

 condition from Salazar. Our description of the insect is chiefly taken from the latter, 

 which agrees perfectly with Dr. Skinner's figures 2 . The underside of the secondaries 

 is very similarly marked to that of various species of Erynnis, from which C. rhesus can 

 be at once distinguished by the blunter antennal club. For the genitalia of the male, 

 see Tab. XCIII. fig. 7. 



