Aphids and Scale on Citrus? I have a fatty infestation on my lemon tree. Hints and tips...

I have a fatty infestation on my lemon tree. Hints and tips on how to treat them? The tree is budding right now so I'm worried in the region of damage to the fruit from the insects or treatment.
What is cause the brown patch surrounded by...
Answers:    Spray them next to a solution of soapy water and repeat contained by two or three days.
This will suffocate the insects but will not harm your plant.
The root for repeating the excersize is to make sure you capture the ones which have just this minute hatched.
What class of barricade will dance near my...
aphids can be removed by using a legally strong water source on them, may removed buds though, taking them stale by hand or using a mild soap solution on them. extent I don't know.
aphids are born pg .