Lemon tree leaves

Ok, will do

 

Sticky on citrus is often scale insect I find, although you can get aphids on any new growth.

 

I think for either if you look up "neem" plus "lemon tree" a lot of results come up.

 

Ok, thankyou

 

I've never used it but the one I've often read positive reports about is SB Invigorator