The tick life cycle is complex. Ticks are not truly insects, but are more closely related to spiders. They are more resistant to our common pesticides and repellents. Typically, one tick is believed to live over a two year period. It starts out as an egg, often laid near the entrance to small rodent (white-footed mouse) dens. It hatches into a tiny larva. Maybe 5-7 larva could fit on the head of a straight pin. These larva typically get on the mouse or nearby rodent, take a blood meal, then fall to the ground to wait to molt into the next stage.
Read More
There is no single answer for this frequently asked question.
The known safe answer is to wait the period of time the product is supposed to work, typically 30 days, before reapplying.
Read More