08/15/2014
Remember the cold, frosty fall weather does not kill ticks, and in fact, that is when the deer tick numbers are at their peak. The best time to contract Lyme Disease is during September, October, and November since the deer tick is the primary carrier. The point here is that environmental control needs to continue into the fall and early winter
What is the life cycle of a tick?
Most ticks are what we call three host ticks, that is, during their development which takes two years, they feed on three different hosts. All ticks have four stages to their life cycle: egg, larvae (seed tick), nymph, and adult. Let us look at the life cycle of the deer tick, as an example.
Adult female deer ticks lay eggs on the ground in spring. Later in the summer (depending on moisture and temperature), the eggs hatch into larvae. The larvae, which are smaller than the period at the end of this sentence, find an animal (the first host, which is usually a bird or rodent), live off its blood for several days, then detach and fall back onto the ground. For deer ticks, this most commonly occurs in the month of August. In the ground, the well-fed larvae now molt into the next stage and are called nymphs.
Each female tick lays approximately 3,000 eggs.
The nymphs remain inactive during the winter months and in spring become active. The nymph now finds an animal (the second host - a rodent, pet, or human) and feeds again. Once well fed, the nymph detaches and falls back to the ground. Here it molts and changes into an adult. Throughout the fall, both adult male and female ticks now find another animal (the third host - a rodent, deer, pet, or human) and feed on blood and mate. Once well fed, both males and females fall back to the ground. The male now dies and the female lives through the winter and lays eggs in the spring, completing the cycle. If the adults cannot find a host animal to feed on in the fall, they will survive in the leaf litter until the next spring when they will feed, mate, and produce eggs.