60 LEPIDOrTEROUS FAUNA OF PORTLAND. 



Cledeobia angustalis, varies in ground colour. 



Herbula cespitalis. I took some beautiful specimens this year 

 with much more colour than usual. 



Sterna punctalis^ has dark and light varieties. 



Crambus culmettus, a richly coloured, almost yellow, variety occurs 

 at Portland. 



Anerastia lotella, varies much in shade from almost white to dark 

 brown, and has sometimes a pure white costa. 



Homceosoma sinuella, varies in the amount of marking. 



Pempelia dilutella. This species is usually constant in the same 

 locality, but at Portland both the light form (subornatella) 

 and the dark form (adornatella) are found, as well as 

 intermediate varieties, which are the commonest, and 

 would mostly be referred to the so-called species adorna- 

 tella. (See E. M. M. xxvi., 20, 139.) 



Peronea hastiana. I saw a short series, bred by Colonel Partridge 

 this year, which was much more variable than usual. 



Peronea tristana. In Carmarthenshire I found this species very 

 constant and brownish in colour, whereas at Portland the 

 ground colour varies from white to dark brown and grey. 



Sericoris cespitana, very light varieties occasionally occur. 



Sericoris lacunana, the blackish variety herbana occurs. 



Plioxopteryx comptana, varies much. 



Catoptria coecimaculana, the ground colour varies from ochreous 

 to grey. 



Eupwcilia rupicolana, Mr. C. W. Dale has a black variety from 

 Portland (" Lepidoptera of Dorset," p. 46, by C. W. Dale). 



Chrosis tesserana, varies much. 



Argyrolepia zephyrana, varies chiefly in size, which is interesting 

 on account of the existence of a larger but otherwise very 

 similar species (or variety 1)A. maritirnana, whose larva 

 feeds on Eryngium maritimum. I have specimens of A. 

 zepliyrana from Portland almost as large as some of A. 

 maritimana from Essex, but the latter has not yet been 

 found at Portland, though its food plant occurs there. 



