Spider Mites or Aphids?

[Campesino]

ARGH!
Only on two leaves that I could find. Actually found one on the underside of leaf and crushed it (pictured). Thinking that spider mites aren't that big, but...
I have just started week three of flowering and the lights just came on.
I have SM-90 on hand and a mister... SM-90 for aphids?
All input welcome. I want to move on this quickly!

 

[Campesino]

My Plan of attack:
1. Wait through most of current light cycle
2. Kill light 45 min early
3. Thorough inspection
4. Light defoliation (any damaged leaves, and to improve application/coverage of spray)
5. Spray with SM-90 (wanted to avoid this - plants are flowering - but its still early)
6. Seal tent for dark cycle

Light cycle ends at 8am, so this will be done before any other product could be purchased. SM-90 is only product that I have right now that would be useful in this situation.

 

[D.A.A.S.69]

The best way is do what Nebula says in here tutorial.

 

[Campesino]

Thanks DAAS
I always look at Nebula's advice. Nebula suggests several products that I don't have for aphids. SM-90 is used for treating aphids as was made abundantly clear per google. I know that Nebula uses SM-90 for PM, so not sure why she didn't mention it in Aphid tutorial (if the omission was intentional or not).
In any event, it is what I had and it seemed to be a fairly widely used solution to aphids. So it has been applied.

 

[Campesino]

Followed plan.
Found another actual aphid, so I am pretty sure about the diagnosis.
I really inspected all the girls and found a few more very lightly damaged leaves and plucked them. Only on one plant.
Sprayed 1/5 solution SM-90 under all the plants and all over the plant in question.
I think I caught them early and am hopeful that they will be a minor problem.

 

[Campesino]

SM-90 FTW!
Another careful inspection after dark period revealed several DEAD aphids. Again, all on the one plant!
I believe this is under control! I am now moving out of "crisis management" mode and back to "Vigilance".