Those are definitely larvae. It might be easier to see if you try adjusting the type and brightness of lighting in order to get the best contrast between bug and plant. It can be helpful to try a variety of light sources: halogen lamp, LED flashlight and/or the scope's light.
The lighting is a bit overly bright in those pics me thinks, but that's them. Freshly hatched. If you see eggs you'll likely see these guys soon. I haven't been able to kill all the eggs with
forbid, maybe 3/4 of the eggs but the remaining 1/4 can still make a lot of damage.
Hit 'em ASAP and you'll get them while they're young. Last thing you want is more egg-layers!
I'm currently trying sulfur (1.5 tbsp/gal), isopropyl alcohol (4 oz./gal), and dawn dish soap (1 tbsp/gal). I had to stop the
forbid and
avid treatments. Mine are just starting to flower now because I extended the season with supplemental lighting.