Nearly all were Korean and Chinese Ageniaspis fuscicollis wasps, parasites of the apple ermine moth
, received during the summer.
This outbreak of what was probably the small ermine moth
, Yponomeuta spp, is in the same category as John and Jackie's hawthorn Webber moth and its explosion into hundreds of thousands of caterpillars is unusual but not rare.
And it could be the hardship of the cold spell that has prompted a reproductive explosion in some species, including this one, which Ian reckons could be a bird-cherry ermine moth
The Rev Mr E Powell, who used to go to Tregaron for his fishing holidays, used a grey partridge feather to dress one of his evening fly patterns called the Ermine Moth
From Chinese apple orchards and lone trees, Pemberton gathered dry, mummified remains of ermine moth
Caterpillars of the bird-cherry ermine moth
colonised trees at the attraction and created the sight.
The infestation was blamed on the yponomeuta padella, the caterpillar of the orchard ermine moth
Local wildlife experts reckoned the natural phenomenon, which looked like a spooky Halloween scene, was the work of the caterpillar of the birdcherry ermine moth
Unfortunately for people trying to identify a spindle ermine moth
, they are almost identical to the apple, but can be distinguished by the fact they eat spindle, not fruit trees.
The web appears to be the work of ermine moth
The image was created by bird cherry ermine moth
caterpillars, which experts say are doing no harm to the trees.