My Leeks Were Growing And Looking Well Now Their Dying. Is There Any Bug That Attacks Them. Thanks

Question

found a couple of little worms on them.

Answer 1

There are many insects that will attack them, but this can be a sign of overwatering rot, as well. This can lead to maggot infestations.

What I can do, for now, is point you to some articles that will help you, here:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm

https://www.gardeningknowhow.com/edible/vegetables/leeks/how-to-grow-leeks-and-tips-for-harvesting-leeks.htm