White bugs on host tree, should I be worried?

[Selmo]

First step in fighting insects and dseases is identifying what it is. You can not fight it effectivel, if you don't know what is. Insects and diseases are easier to control at different times in their live cycles. Knowing this information will help in getting rid or controlling insects and diseases, while using the least amount of chemicals and not wasting your time using the wrong thing. Finding out what it is first, will save you a lot of time, money and headaches. Get a good positive ID from someone you trust and then make a educated plan of attack.

[mexicowpants]

After finally coming to the end (I hope) of a long and arduous war against scale, I wouldn't say that what you have there is scale. The individual bugs don't look "fluffy"enough. Take estación seca's and Selmo's advice and get it properly identified - sooner rather than later. You need to know what you're fighting in order to choose an appropriate weapon.

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[PaphMadMan]

An accurate identification is always a good idea, but realistically few non-professionals will go that route for a handful of plants. The treatment in question here was neem, which is pretty much universally effective to some extent. And to the suggestion that these are not scale - I would encourage you to become more familiar with the appearance of some immature scale insects and the males of sexually dimorphic species like Unaspis euonymi and Aspidiotus destructor. I'm not an entomologist, but I don't think I'm wrong.

[bil]

Originally Posted by mexicowpants

After finally coming to the end (I hope) of a long and arduous war against scale, I wouldn't say that what you have there is scale. The individual bugs don't look "fluffy"enough. Take estación seca's and Selmo's advice and get it properly identified - sooner rather than later. You need to know what you're fighting in order to choose an appropriate weapon.

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Scale comes in a number of guises. Plain scale and cushion scale are very different, and cochinilla, while not a scale, are very similar, and definitely fluffy.
None of them like imacloporid or chas48.