How big can ticks get?



  1. 0 Votes

    Adult deer ticks can grow to roughly the size of a sesame seed. By the dimensions, that’s roughly .078 to .137 inches, or 2 to 3.5 millimeters. Females tend to be larger than males, and on the whole the species is slightly smaller than dog ticks.

  2. 0 Votes

    Deer ticks are about the size of a sesame seed or somewhere between 1/6 and 1/8-inch long. Ticks are arachnids in the same scientific class as spiders and scorpions.

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  3. jet
    0 Votes

    Ticks vary in size by species, gender, and in respect to feeding. Below is a list of common ticks and their respective sizes.

    American Dog Tick: males are about 3/16 inch (before and after feeding), females are 1/2 inch after feeding

    Lone Star Tick: size of a pin head when in the nymph stage, 1/8 inch when adults

    Blacklegged Tick (Dear Tick): 1/8 inch at adulthood

    Brown Dog Tick: adult males are 1/8 inch and females grow to 1/2 inch after feeding


    Refer to the link below for more information about ticks (bite prevention, tick control, and species identification). 

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