198 BRITISH LEPlbOPTERA. 



was the food of the larvae, has had to give way to larch and pine. 

 Some two years after this was written, Freer captured a male on 

 the Chase at some distance from the old locality. Favre notes the 

 species as rare on the arid and bushy moorlands of the lower 

 elevations near Sion in the Valais. 



Time of appearance. — The time of appearance depends some- 

 what on the season, but April and May seem to be the chief 

 months for the emergence of this species. De Geer found larvae 

 in early July, these pupated in due course and imagines emerged 

 the next year from May 23rd onwards after a pupation period 

 extending over ten months ; in May in Saxony and Swabia (Ochsen- 

 heimer) ; May in the Zurich district (Riihl) ; May in Wurtemberg 

 (Hofmann) ; April and May in Transcaucasia (Romanoff) ; a $ 

 fresh from pupa on the turf moors near Hasik, May 13th, 1866, 

 specimens being rarely found after the middle of June (Nolcken) ; 

 one male and two females bred in April, 1879, at Askold (Oberthiir) ; 

 end of April in Belgium (Hippert); bred April 20th, 1851, from 

 moors near Sheffield (Green teste Stephens); captured May 17th, 

 1851, on Cannock Chase (Atkinson); two pupae middle of April, 



1856, by Boyle, three imagines May 16th (two) and 20th (one) on 

 Cannock Chase (Partridge) ; nine $ s and one $ bred March 20th, 



1857, and following days, from Cannock Chase (Weaver); bred a 

 £ March 25th, 1857. from larva found on Cannock Chase (T. G. 



Bonney); two bred early April, 1857, from Cannock Chase (E. S. 

 Bonney) ; three bred April 25th, 1857, from Cannock Chase, one 

 pupa taken April 21st, 1857, in same locality, produced imago next 

 day (F. Bonney); bred a $ April 12th, 1858, and three others 

 between then and April 15th, from Cannock Chase (E. S. Bonney); 

 larvae August 15th, 1859, on Sheffield moors, noted as being like 

 those of Cosmotriche potatoria, and an observation that Green and Baker 

 obtained other larvae (Smith) ; two g s bred 1st week of April, i860, 

 from two larvae obtained August, 1859, at Sheffield (Baker) ; pupa 

 on Ripon moors April 30th, i860, imago emerged May 9th, i860 

 (Lickley) ; cocoon on Ripon moors, spring of 1861, produced imago 

 May 18th, 1861 (Meldrum), May 17th, 1896, an imago on Cannock 

 Chase (Freer). 



LOCALITIES. — Devon : Lynton (Morton, E.M.M.,i., p. 121). [Durham* : 

 Castle Eden Dene (Sang teste Wheeler).] Stafford: Cannock Chase (Weaver). 

 [SURREY : Ascot districtf (Edmonds).] YORKS : Ripon Moors (Prest and Meldrum), 

 Sheffield (Baker), moors near Sheffield ("miith), near Ripon (Lickley), ? Blubber- 

 houses (Eedle), once on the Dallowgill Moors, part of the Nidderdale Watershed 

 (Storey). 



* Bankes observes that a specimen of this species was sold with Wheeler's 

 collection labelled as having been " received from Sang and taken in Castle Eden 

 Dene."' This he considers a mistake as (l) "The species is not known to have 

 occurred in Co. Durham. (2) There is no entry of the specimen in Sang's diary. (31 

 If Sang had only taken this one example he would not have sent it away in exchange ; 

 if more — where are they? (4) Robson states that " Sang only had one example in 

 his own collection, not taken by himself." On writing to Wheeler the latter informed 

 Bankes that probably some mistake, as to the locality, had occurred, although he 

 did not doubt that he received the specimen from Sang. Bankes says that he has 

 no doubt it came from Cannock Chase, the pinning and setting agreeing with others 

 from this locality. 



t Males are said to have been taken at Ascot by Edmonds of Windsor by 

 semblirg with foreign-bred females. This wants confirmation badly. 



asst 



