What is this?

give these two links a read...
http://www.amsterdammarijuanaseedbank.com/Growguides/troubleshootingsolutions/cannabis-pests.html
http://wiki.answers.com/Q/What_do_ladybugs_eat
this close to harvest, I wouldn't use any chemical insecticides...do you know anywhere to buy ladybugs(ladybirds)?
when there is nothing left to eat, aphids/mites, they fly away or die...most species are carnivores, lol.

if u noticed I said on that grow room- def not the plants-but u will want to do before the next grow.