HESPERID^: 99 



OVUM. In July ; the young larvae which come 

 forth probably hybernating. 



LARVA. On grasses, especially Piptaterum multi- 

 florum, in May and June. 



OBSERVATION. Thaumas is, perhaps, the most 

 abundant of all the Hesperidae. 



H. Liineola. 



TIMES OF APPEARANCE. July and August. 

 HABITAT. It is found in the same places as 

 Thaumas, but is not so common. 

 LARVA. On grasses, in May and June. 



H. Acteon. 



TIMES OF APPEARANCE. June to August. 



HABITAT. Fairly abundant everywhere. 



I have seen it in quantities, generally near water, in 

 the Vallon Obscur, at the end of June (from 22 nd 

 onwards). It congregates in little groups on the 

 moisture. 



LARVA. On Calamagrostis epigeios and other 

 Grasses, in June. It feeds at night. 



OBSERVATION. The $ is much less common than 

 the /. It is distinguished, among other traits, by the 

 absence of the small blackish streak in the centre 

 of the f .-w. 



H. Sylvanixs. 



TIMES OF APPEARANCE. May, June and August. 

 HABITAT. Generally distributed. 

 It seems partial to dry woods. 



