Rob_phillips
Chumono
The spray i used this week was a general systemic spreay the brand was bug clear im not sure if thats maybe too weak to clear it but i will go to my local nursery and speak to them about a remedy they may have something in stock. Unless anyone else from the uk knows what brand stuff works best.If the pesticide is non systemic, it won't have much effect on the adult scale but will kill any youngsters. They have a waxy coating which protects them. Even if it is, the juniper also has a waxy cuticle which makes penetration difficult. Hence the oil which will smother the insect. It won't hurt to spray again right away.