what is a deer tick
1. The deer tick, also called the blacklegged tick or by its scientific name of Ixodes scapularis, is an external parasite of the arachnid class, thus it is related to spiders.Like all ticks, the deer tick is a blood-feeder; it bites humans and animals in order to fasten itself to the skin and feed on blood.. The deer tick, also called the blacklegged tick or by its scientific name of Ixodes scapularis, is an external parasite of the arachnid class, thus it is related to spiders.