This spring I started writing blog posts for Tender Corporation's After Bite® "Insectlopedia" website. I am actually subcontracted by HFS Communications, and they have been very good to work with. Consequently, I will be routing you to the Insectlopedia blog periodically. It deserves traffic, and will be a good resource if I have anything to say about it.
Here is a primer on biting insects and arachnids that I wrote recently.
Meanwhile, I just got a big box of Tender Corp products to try, and believe me, with the mosquitoes in the wake of the rains from the wettest May on record for Colorado, I will be trying out the repellents in earnest.