Daddy Longlegs

Spider, an animal closely related to mites, ticks, and scorpions. There are about 35,000 known species, more than 3,000 of them in the United States.… See more » Mites and Ticks, a group of invertebrates related to spiders. Mites are 1/64 inch to 1/8 inch (0.4 to 3 mm) in length; ticks are 1/8 inch to 1 1/8… See more » Arachnid, a general name for any animal that belongs to the class Arachnida. Arachnids include spiders, scorpions, harvestmen (or daddy longlegs),… See more »