Go ahead and neem it if you don't plan on smoking it, or you can use pyrethrum which breaks down VERY fast and can be used on food crops.

Those little caterpillar things- do they look like little blonde splinters? Thrip larvae! Yuck. Luckily IMO the easiest to control of the 'big 4' (thrips, greenhouse whiteflies, aphids, and mites) that dirt growers have to suffer with.