I have not heard of cat nip but lemon balm, and garlic but that just will not cut it up here.
Bugs yah it is bad, I started seeing my first mosquitoes when there was still ice on the pond and a foot of snow in the driveway.
Here is my take from working in the bush.
Starting with the best.
1. The Original Bug Shirt with a permethrin treatment, you could take on a bee hive. (Cons) Visibility and not stylish.
http://www.bugshirt.com/
2. Thick hooded shirt treated with deet or permethrin and long hair. (Cons) You will look like you came from Duck Dynasty and the bugs will go for your eyes, nose and ears.
3. ThermaCELL This thing works (Cons) I don't want to know what I'm breathing. Can't be worse than lower 48 air quality.
4. Deet spray (Cons) Have to re-apply often, health, not for use on technical clothing like goretech.
5. Buzz off clothing. (Cons) little to no noticeable effect
6. Natural bug sprays like lemon grass and citronella (Cons) no noticeable effect
7. Diet eating garlic and avoiding things like bananas and meat. (Cons) this never worked
http://www.epa.gov/oppsrrd1/REDs/factsheets/permethrin_fs.htm
http://www.epa.gov/pesticides/factsheets/chemicals/deet.htm