Check out these images of the gall midges larvae! Look familiar??
citrus gall midge - Prodiplosis longifila Gagné
http://www.morgellons-disease-research.com/Morgellons-Message-Board/30227-post15.html
Doing a little more research on your find, I see neem is harmful to the larvae. Could be some help. I've been using a neem salve lately that stops the biting, but hasn't rid anything from my system. That's just me though.