You got gots allowing that to fester, be careful...

like Z said. The thing to remember is you have a repeating battle every time the eggs hatch...ridding yourself of these pests require patience and perseverence <?sp>.

Yes the soil is probably the cause. I never had a pest hardly until I did an indoor soil grow in my hydro room. A layer of sterile "playbox" sand on top of your soil is a good idea. the texture of the sand cuts the larvae and they die of "fleshwounds" lol