570 EHOPALOCEKA. 



1. Mnasilus penicillatus, sp. n. (Tab. C. figg. 39-42, <j .) 



Alis fuscis, squamis ochraceis sparsim tectis ; anticis maculis serie obliqua infra et ultra cellulam, una submediana 

 elongata, aliis minutis apicem versus, omnibus indistinctis : subtus pallidioribus, maculis ut supra, anticis 

 dimidio interiore obscuro, posticis interdum maculis minutis quinque aut sex linea curvata subapicalibus. 

 $ mari similis. 



Rob. Mexico, San Bias in Jalisco (G. Mathew), Frontera, Teapa (H. H. Smith); 

 Guatemala, San Geronimo (0. S. & F. B. G., Champion); Panama, Chiriqui (ex 

 Staudinger). — South America, Lower Amazons to Brazil. 



We possess a long series of this species, both from Central and South America, all 

 males but one. 



M . penicillatus very closely resembles Pamphila epiberus, Mabille, which we place in 

 the genus Megistias, and has a similar geographical distribution ; but it may at once 

 be distinguished by the pencil of hairs on the primaries in the male, as well as by the 

 very differently formed genitalia in this sex. Five males from widely separated 

 localities have been dissected, see Tab. C. fig. 42. 



VEHILIUS, gen. nov. 



Cobalus illudens, Mab., is taken as the type of this genus, which also includes 

 Apaustus venosus, Plotz ; the first mentioned is a common Central-American form and 

 the other is widely distributed in the Neotropical region. These two insects are very 

 like some of the species of Megistias in general appearance, except that they have the 

 nervures of the secondaries pale beneath ; the structure of the genitalia of the males, 

 however, is so different that we think it desirable to separate them. We have also 

 several unnamed forms from South America that probably belong here. 



The antenna? are a little more than half the length of the costa, and have a 

 moderately long club, terminating in a long crook. The third joint of the palpi is 

 short and conical. The primaries are moderately long, somewhat pointed at the tip, 

 and have the costa arched at the base ; the cell is much less than two-thirds the 

 length of the costa ; the discocellulars are oblique, the upper one about twice as long 

 as the lower, the latter being of the same length as the third median segment ; the 

 first branch arises from the middle of the median nenure, the second a little before 

 the lower angle of the cell. The secondaries are distinctly produced at the anal 

 angle ; the discocellulars are faint. The body is rather slender. The middle tibiae 

 are furnished with long spines, the hind tibiae have two pairs of spurs. The primaries 

 of the male (Tab. C. fig. 45) are without trace of a brand. 



1. Vehilius illudens. (Tab. C. figg. 43-46, a .) 



Cobalus illudens, Mab. Compt. Rend. Soc. Ent. Belg. xxxv. p.lxxxiii 1 . 



Alis fuscis, punctis duobus inter ramos medianos ad cellulse finem, exteriore minore, duobus aut tribus 

 minutissimis in linea transversa subapicalibus (interdum obsoletis), ochraceis ; posticis area discali 



