Where all the 'leaflets' come together to form the leaf steam is the hardest place to clean them suckers outta and seems to be the biggest congregating place that they lay eggs.. It's corkscrew and blowtorch methods to be sure you kill them all.... And the silia' type of hair is designed to kind of keep water out of that nook and cranky? And them bugs know it.. As small as these babies or eggs are..
Whatever you use,, a wetting agent like a soap,,, breaks surface tension and spreads better with a little manual stimulation to work the oil in,,,,,
what did you think??? When I spray my young veg plants,, I damn near jack them suckers off while spraying........... Just don't stop working with everything you got that's less than 3-4 weeks into flower... Every leaf you pluck before treatments is that much less space to spray/and or miss sprayed....... Much easier to spray 10-12 leaves than 20-30...... Them suckers live in soils too and under the skin of a leaf and or stems to survive the winter outdoors...
Hardy Mfers''' From what I read they use a poison type shit when they pierce the surface of the plant... Kind of killing off the tips of new growth............ Kind of making the tip rounded off.... any buddage grew while you have that shit going on will be brownish and feel like seeded....
But, I bought a pint of CoC wet for a spreader,,, years ago,, and still have half.... And when I do spray a heavy oil, say neem, of Monterey, I see less 'Oil' spots on the fan leaves after.......
But hopefully, you can save the puppy... She's been a temperamental plant from jump street. And pest single out them ones........... The only time I see her happy is when she in full-blown veg outdoors..... Indoors,, she always acts like too much water,, and then not enough? Same with temps... But is quality with this one,,, well let's say I'm happy I still got it..
Keep on your toes.... And spray again..........