"Model projections suggest that I. scapularis range will expand c. 46 km year−1 in the coming decade, with climate warming expected to increase the rate of spread." - Patrick A. Leighton, et al. "Predicting the speed of tick invasion: an empirical model of range expansion for the Lyme disease vector Ixodes scapularis in Canada"
Spray this natural mixture on your clothes, shoes, or skin to keep ticks away! The scent repels the ticks. It's been working great for me so far, haven't seen one tick yet and I live in New England where Lyme disease is very common.