148 BRITISH LEPIDOPTERA. 



banks near Harlesden (Montgomery) ; swarms in some seasons in 

 Burwell Fen (Farren) ; males on the wing just before dusk on Wicken 

 Fen (Carr) ; on the downs at Aylesbury (Bayne" ; on Denny Bog in 

 the New Forest (Tremayne) ; swarms on the moss at Forres (Norman); 

 most abundant in October by roads and on dry wastes in Belgium 

 (Lambillion) ; larvae common after the last mowing in the meadows of 

 the Zurich district (Riihl) • larvae in great numbers among grass in the 

 Upper Hartz (Hoffmann). 



Time of appearance. — At the end of May and commencement 

 of June almost all over the British Islands — Sutherland, Argyle, Kent, 

 Cornwall, Tyrone, Galway, &c. — in May at Aberdeen (Home) ; end 

 of May and beginning of June in Belgium (Lambillion) ; middle of 

 May on into July in the Baltic Provinces (Nolcken); imagines in June in 

 Upper Hartz (Hoffmann) ; May 6th to June 19th for Vienna district, 

 April 1 6th at Salzburg (Fritsch) ; common in June, at Oxton, the 

 males flying over the heaths in hundreds (Studd) ; July 28th, 1844, at 

 Preston (Hodgkinson) ; June 20th, 1856, at Bisterne (Subs., p. 28). 

 June 1 st, 1857, 28 males on Langwith Common, near York 

 (Anderson); June 1st — 7th, 1858, at Ambleside (Buckton) : June 1st — 

 nth, 1858, at Machynlleth (Alington) ; June 10th, 1859, at 

 Kirriemuir (White) ; larvae at Ballachulish, Spaen Bridge, Septem- 

 ber 1 8th, i860, placed in a warm position, pupated and 

 imagines emerged between December 21st, i860, and January 6th, 

 1861 (Keays) ; June 8th, 1862, at Darenth, June 17th, 1863, at 

 Portscatho, abundant, May 14th, 1864, at Abbey Wood, May 18th- 

 28th, 1866, at Heme, common, May 19th, 1875, at Lyndhurst, June 

 12th, 1884, at Chattenden, common, May 30th, 1881, May nth — 22nd, 

 1882, at Box Hill. June 20th, 1885, June 12th, 1886, June 14th, 1887, 

 June 17th, 1893, at Chattenden, common, June 13th — 27th, 1891, June 

 9th, 1892, at Oxshott abundant, May 16th — 29th, common at Tor Cross 

 (Fenn); fullfed larvae at Bensham, March 30th, 1866, began to spin 

 April 8th, a pair emerged May 9th, eggs laid May 14th, hatched May 

 25th (Watson); June 9th, 1868, at Contin (White); June j ith, 1868, 

 at Cirencester (Harman) ; June 9th, 1875, at Rannoch (A. H. Jones); 

 June 1st, 1872, at Shortwood (Watkins) ; June 17th, 1876, at Heck- 

 field, June 24th, 1889, at Bulmershe, June 12th, 1891, at Wokingham, 

 June 28th, 1 89 1, on Streatley Downs, May 22nd, 1893, at Burghfield 

 (Holland) ; June 20th, 1873, at Douglas (Porritt) ; May 30th, 1881, 

 May nth, May 22nd, 1882, at Box Hill, June 12th, 1885, June 

 17th, 1887, June 10th, 1891, June 10th, 1892, June 6th, 1893, June 

 1 st, 1896, at Chattenden (Bower) ; June 6th, 1881, at Bradford 

 (Carter); May 25th — June 9th, 1881, at Strensall Common, June 

 23rd, 1 88 1, at Sandburn, June 2nd, 1882. at Strensall, June 10th, 

 1882, at Sandburn, May 31st, 1890, on Thorne Moor, May 31st, 

 1892 — June 21st, 1892, May 14th, 1895, at Strensall, May 19th — 

 May 28th, 1895, bred several males and females, May 14th — June 

 14th, 1896, at Strensall Common (Hewett^; June 2nd, 1885, May 

 22nd — June 2nd, 1886, June nth, 1887, June 14th, 1894, bred at 

 Brentwood, June 5th, 1894, "assembled'' at Leigh (Burrows); June 

 9th, 1886, at Gelt, June 14th, 1892, at Faugh Moss, July 1st, 1894, 

 at Gelt, June 10th — July 10th, 1896, on Hayton Moss, near Carlisle 

 fRoutledge) ; June 6th, 1886, June 5th, 1SS7, June 6th, 1892, June 

 6th, 1894, June 4th, 1900, at Reading (Butler); June 7th, 1887, 



