JMC-Hunt cites Dungeness 1935 and 38 'larvae not uncommon on the stones' (HC.Huggins) 22nd June
1938 'locally abundant' (AG.Peyton). 20-30 at Denge Marsh on 4th July (AMS) and 3 on 6th June 1950
(ECP-Clinton). 30th June to 3rd July 1954 (RF.Bretherton). 28th July 1956 (WL.Rudland). 7th and 8th
July 1959 (CR.Haxby). Dungeness 24th July 1962 (RE.Scott). 18th (JMC-Hunt) and 26th July 1963
(RE.Scott).
Since then has been recorded on eight dates, Lydd 31st May and Dungeness on 9th June 92.
Lydd on 4th, Lydd-on-sea 6th and at two traps at Dungeness on 7th June 93. Greatstone 15th July 06.
Lydd 31st May, 6th June 10.
It is doubtful that it still breeds.
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