Dorsal view of a nymphal “lone star tick” – Because of their small size relative to adult ticks,
many people do not notice the presence of a feeding nymphal tick for a few days.
Diagram of the relative sizes of tick species at various life stages
Diagram depicting the life cycle of blacklegged ticks, a common transmitter of tick-borne diseases. Ticks require
a source of blood to survive, and most will have a different host at each stage of their life.