Mike wrote in message ...

Pictures he
http://www.zen14024.zen.co.uk/garden/

Similarly, my crop of plum trees seem to have a large amount of fruits
where a fly or something seems to have burrowed in. The only evidence is
the dried sap hanging from the bottom of the fruit/ (Pictures on the
same link above)

Plums often have a little sugary droplet at the bottom without
a fly or insect being involved. Are you sure that there is
always a grub inside?

--
Anton