There was a HUGE argument about those pest strips a while ago - I don't have them though, but I saw some article in this magazine about them.
http://www.soft-secrets.nl/_public/SSUK2006-04.pdf

All the best - Hall
sdhall36 Reviewed by sdhall36 on . Spider-mites in flowering phase, what to do? What can I do to kill spider-mites if the plant is 5 weeks into the flowering phase? or does the bud's resin protects it from those mites? Rating: 5