106 BRITISH LEPIDOPTERA. 



and August (occasionally at the end of June, when the 

 examples have possibly passed the winter as pupae, and rarely 

 at the commencement of September, when -they have been delayed 

 as larvae) in England; average dates elsewhere, July ist — 20th 

 in Belgium (Lambillion); regularly in August in the Scilly Isles 

 (Adkin) ; larvae fullfed in May, imagines in July and August in 

 the Channel Islands (Luff) y larvae fullfed in June, imagines in 

 July, in the Zurich district (Riihl); larvae fullfed in June, imagines 

 in July, in Pomerania (Hering) ; males on the wing from July 

 10th — 13th at Gipfel, on the Brocken (Bartling) ; in July in Trans- 

 caucasia (Romanoff); June to September in Sicily [where it occurs 

 as vars. spartii (? vibumi), sicula and roboris\ (Mink - Palumbo) ; 

 June to October in the Loire-Inferieure (Bonjour) ; second week 

 in July in the Dept. Loir-et-Cher (Harrison) ; at the end of July and 

 commencement of August, at Aix-les-Bains and Chambery ; the first 

 and second weeks of August at Torre Pellice (Tutt) ; June 20th — July 

 26th are average dates in Austria, one from Kessen on September 7th 

 (Fritsch) ; from the middle of June lasting well into July in the 

 Baltic Provinces (Nolcken) ; a larva, August 6th, 1878, in the 

 Iser-Gebirge, pupated the middle of the same month, but, though 

 kept warm during winter, refused to emerge till June 19th, 1879, 

 when it produced a normal $ in Arctic Norway, whither its possessor 

 had travelled (Schilde) ; larvae at Buchenau, in the Linz district, 

 on May 14th, 1896, pupated May 6th — 20th, emerged June 19th until 

 beginning of July (Himsl). The following are dates on which imagines 

 have been bred or taken: Between July 16th — August 16th, 1849 — 

 1859, larvae best searched for about May 16th to end of 

 first week in June in the Brighton district (Merrifield) ; July 31st, 

 1856, at Shanklin (Trimen) ; July 14th, 1857, at Wandsworth (Black- 

 more); imagines flying July 27th, 1858, at Marlow, larvae from Marlow, 

 spun up June 19th, emerged July 16th, 1859 (Clarke); larvae 

 common, May 12th — 19th, i860, imagines bred July 16th — 29th, i860; 

 larvae May 2nd — 13th, 1861, imagines bred May 28th and onwards; 

 larvae April 28th, 1862, all at Lee; larvae June 10th — 14th, 1863, at 

 Portscatha; imagines August 5th, 1866, at Bexley ; August 3rd 

 — 8th, 1867, at Deal; larvae May ist, 1875, at Tilgate, bred July 

 1 3th, 1875; J IU Y I 7 t ^, 1875, a ? at light at Eltham ; August ist, 1875, 

 at Deal; larvae June 10th, 1885, at Lee (not seen in Lee district since), 

 imagines July 13th — August 5th, 1889, at Deal; larvae June 17th, 

 1893, at Chattenden ; April 21st, 1894, larvae common at Farning- 

 ham ; April 30th, 1895, larvae abundant at Swanley ; May, 1896, 

 larvae common at Eynesford (Fenn) „ average dates from June 26th 

 to August 6th in Chatham district (Chaney) ; bred July 15th, 1866; 

 $ August 14th, 1866, at light at Lee, another $ at light, July 

 20th, 1873, at Eltham, yet another ?, July 9th, 1874, at light, 

 at Lee (A. H. Jones); bred July 17th, 187 1, from Wanstead, 

 July 23rd, 1889, at Brentwood; caught August nth, 1890, 2 males 

 that were assembling to wild $ at Newlyn, nr. Penzance ; July 

 22nd, 1893, at Bentley, August 5th, 1901, at Mucking (Burrows); 

 larvae May 7th, 1871, gave imagines July 26th — 31st, 1871 ; 

 a 2 captured July 31st, 1871, at Southstoke ; larvae July 5th, 1892, 

 pupated August 19th, &c, at Frimley ; bred commonly at Oxton, 

 August 13th, 1895, J u ly ^th — 29th, 1896, August 7th — ; ith, j 896, July 



