CA.TALOGUE OF MOTHS. 247 



at Newcastle-on-Tyne and commonly at Darlington. Mr. Sang 

 found it at High Force, Coniscliffe Moor, and Hell Kettles, the 

 last two localities being near Darlington. Mr. Harrison says, 

 ** common on Waldridge Fell." It is very common here on the 

 railway banks and at Black Halls. I have seen it in swarms 

 at the mouth of Hezleden Dene on the south bank, where 

 scabious is very common. 'Ho doubt it will be found to occur 

 in most places in the two counties wherever this plant is 

 abundant. 



The plagiodactylus of Stainton's " Manual " is now con- 

 sidered to be only a variety of this species. 



403. Pterophorus loewii, Zell. 



Pterophorus loeivii. Staint. Man., vol. ii., p. 442. 



Sienoptilia zophodactyla. Meyr. Hdbk. Brit. Lep., p. 440. 



In the absence of any Northumberland record I appear to be 

 the only collector who has taken this species. My records are 

 one specimen near the ropery at Hartlepool, and three or four 

 on the borders of Hezleden Dene. It has probably been over- 

 looked owing to its resemblance to the previous species. Its 

 food plant, the common centaury, is abundant everywhere in 

 our district on the railway banks, dry fields and waste land, 

 from the Tees mouth to Castle Eden Dene, and there is little 

 doubt but that this species will be found to occur in many 

 places in the two counties when searched for at the proper 

 time. 



404. Pterophorus fuscus, Hetz. 



Pterophorus fuscus. Staint. Man., vol. ii., p. 442. 



Stenoptilia pterodactyla. Meyr. Hdbk. Brit. Lep., p. 440. 



A common species in the two counties wherever its food 

 plant (Veronica chamcedrys) grows freely. The "Manual" 

 gives it as occurring regularly at Newcastle-on-Tyne and 

 abundantly at Daiiington. Mr. Sang does not mention it in 

 his diary, no doubt owing to its being too common to enter. 



