How can I prevent my courgette plants from vine borers?

Question

I have successfully grown courgettes for a number of years without problems. This year all the plants died practically overnight, I think because of an infestaion of vine borers. How can I prevent this happening again?

Answer 1

It's best to treat the vines when they are young. Here's how:

https://www.gardeningknowhow.com/edible/vegetables/zucchini/vine-borers-zucchini.htm