Former resident at Dungeness on the strengh of pupa found in 1934 (AJL Bowes).
Recorded on 23 dates, Greatstone 15th March 93.
Dungeness 24th February 98, Lydd 17th March 98.
Rspb in March 2000.
Lydd 16th, 27th March 05.
Lydd 24th, 25th March 06.
Dungeness 23rd March 07.
Dungeness 22nd, 23rd, 3 on 29th February. Greatstone 1st March 08.
Greatstone 5th, Dungeness 13th, 15th, Greatstone 16th March 09.
Dungeness 17th March - 3rd April with 2 on 18th and 22nd March.