Those of us who were around during the long hot summer of 1976 will remember the impact of the great drought on sallow trees, when even in shady woods on heavy clay soils sallows died off willy-nilly.
The current drought is not a patch on that of 1976, but most places in The Empire seriously need some watering - and no rain is forecast for the foreseeable future. Some districts enjoyed a useful watering last Friday evening (the 13th) - Alice Holt, for example, had 8mm (1/3rd of an inch) - but Knepp missed out (the rain ran just to the north).
The sub-canopy leaves which the egg-laying females favour are often the first leaves to drop. Here's what to look out for -
So, take your watering can with you.
I've just had two days off, of necessity, having Emperored for 28 consecutive days (beating Heslop's 1969 record). I'm now going back to Knepp, for the grand finale. I've seen over 2000 day-individuals there so far this season. In contrast, in 1976 I saw 257...
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