maggoty plums

[johnthedev]

hi all, last year my victoria plum tree bore an abundance of fruit, unfortunately nearly all had a small maggot inside.don`t want this to happen again this year.any ideas as to which pesticide to use.the tree is about 7 years old.thanks

[Zen]

http://www.bbc.co.uk/radio4/gqt/fsheets/30_09_ 01/fsheetsq2.shtml

[Thunderbird+]

It looks to me that you may have plum sawfly (Hoplocampa flava),sorry for the technical jargon, spray with pirimiphos-methyl, permethrin or fenitrothion within 7 days of 80 per cent ofpetal-fall. On small trees pick and burn damaged fruitlets to prevent it spreading. Good Luck.

[johnthedev]

thanks for that.probably too late to do anything now then.