Look for something called Green Ban 2000. It's a cocktail of plant extracts from Australia. I've had really good luck with it, but it doesn't seem to do much with ticks. I recommend using that, and parimethium on your boots and gloves.
_________________________
-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.