If you found a spider that looks like a tick, it may be a small, round-bodied spider—but it could also be a mite, spider beetle, or an actual tick. Spiders and ticks are closely related, so they share several features that can make identification difficult. Both can have eight legs, lack wings, and appear dark brown or black.
The safest approach is to examine the creature’s body shape, behavior, and location rather than relying on color or size alone. If it was attached to a person or pet, treat it as a possible tick until it has been properly identified.
Why Do Some Spiders Look Like Ticks?
Spiders and ticks both belong to the arachnid group. Adult spiders, tick nymphs, and adult ticks usually have eight legs. Because some spiders have large, rounded abdomens and short legs, they can look surprisingly similar to ticks when viewed from a distance.
The main structural difference is that spiders usually have two visible body sections connected by a narrow waist. A tick has a flatter, more unified oval body without the clearly defined waist commonly seen on a spider.
This difference may be difficult to see when the creature is extremely small, moving quickly, or viewed without magnification.
What Kind of Spider Can Look Like a Tick?
There is not one specific species known simply as a “tick spider.” Several kinds of small spiders can have a tick-like appearance depending on their age, position, and body shape.
Possible examples include:
- Small crab spiders: Their wide bodies and legs held toward the sides can resemble a tick at first glance.
- Juvenile orb-weaver spiders: Some have large, rounded abdomens compared with the rest of their bodies.
- Small ground spiders: Dark coloring and compact bodies may make them look like ticks while crawling across floors or walls.
- Recently fed or egg-carrying spiders: An enlarged abdomen may create an appearance similar to an engorged tick.
A photograph or specimen is usually necessary to identify the exact species. Color alone is not reliable because spiders and ticks can vary significantly in appearance.
It May Not Be a Spider at All
Several household pests are commonly mistaken for both spiders and ticks.
Spider beetles
Despite their name, spider beetles are insects rather than spiders. They often have shiny, rounded bodies and long legs that produce a spider-like appearance. However, they have six legs and antennae. Spider beetles may be found around stored food, animal products, bird nests, or undisturbed storage areas.
Mites
Mites are tiny relatives of spiders and ticks. Their bodies may look like a single round section, making them especially difficult to identify without magnification. Different mites may be associated with plants, birds, rodents, stored products, or indoor moisture.
Bed bugs
Bed bugs have six legs, antennae, and flat, segmented bodies. They are usually found near beds, upholstered furniture, and other places where people rest. They do not have the eight-legged appearance of an adult tick or spider.
How to Tell a Spider From a Tick
Look for several characteristics before deciding what you have found:
- Body sections: A spider typically has two visible body sections. A tick usually looks like one compact, oval body.
- Waist: Spiders generally have a narrow connection between the front and rear portions of the body. Ticks do not.
- Movement: Spiders tend to move more quickly and may run, climb, or lower themselves on silk. Ticks usually crawl steadily while searching for a host.
- Web or silk: Finding the creature in or near a web strongly suggests a spider, although not every spider builds a web for catching prey.
- Attachment: A creature firmly attached to skin and feeding is more likely to be a tick.
- Antennae: Neither spiders nor ticks have antennae. Visible antennae indicate that the creature is an insect.
Counting legs can help, but it is not always conclusive. Tick larvae have six legs, while tick nymphs and adults have eight. Missing or folded legs can also make an accurate count difficult.
What Should You Do If It Is Attached to Your Skin?
If the creature is attached to a person or pet, assume it may be a tick. Remove it promptly with clean, fine-tipped tweezers:
- Grasp it as close to the skin’s surface as possible.
- Pull upward using steady, even pressure.
- Avoid twisting, crushing, burning, or covering it with petroleum jelly.
- Clean the bite area and your hands after removal.
- Save the specimen in a sealed container or take clear photographs if identification may be needed.
Contact a healthcare professional if a rash, fever, or other concerning symptoms develop after a suspected tick bite. A veterinarian can advise you about an attached tick or unusual symptoms involving a pet.
Why Are You Finding Them Inside?
An occasional spider may enter through a gap around a door, window, utility line, or foundation. Spiders may also remain indoors when other insects provide a steady food source.
Repeated sightings can be connected to:
- Gaps around windows, doors, and siding
- Torn or poorly fitted screens
- Cluttered basements, garages, and storage rooms
- High numbers of flies or other insect prey
- Vegetation, firewood, or debris close to the building
- Bird or rodent nesting materials that support mites and other pests
Correct identification matters because a treatment designed for spiders may not solve a tick, mite, or stored-product pest problem.
How to Reduce Spiders and Tick-Like Pests
You can make your home less inviting by taking a few practical steps:
- Seal cracks and openings around the exterior.
- Repair damaged window and door screens.
- Vacuum webs, egg sacs, and insects from indoor hiding places.
- Reduce clutter in basements, garages, and storage rooms.
- Move firewood and stored materials away from the house.
- Trim vegetation that touches the building.
- Remove accumulated leaves and yard debris.
- Address other insect activity that may attract spiders.
If the pest continues to appear, a professional inspection can determine what it is, where it is coming from, and whether treatment is necessary.
Frequently Asked Questions
Can a spider be mistaken for a tick?
Yes. A small spider with a rounded abdomen and short-looking legs can resemble a tick. Examining its body sections, behavior, and whether it produces silk can help distinguish it.
Do ticks make webs?
No. Ticks do not produce webs. They typically wait on vegetation and climb onto a person or animal that brushes past them.
Can ticks jump or fly?
No. Ticks cannot jump or fly. They crawl and commonly reach a host through direct contact with grass, leaves, shrubs, animals, or other surfaces.
Does finding spiders mean I have another pest problem?
Not always, but frequent spider activity can indicate that insects are available as food. Controlling the insects attracting spiders may be an important part of the solution.
Should I crush an unidentified bug?
It is better to capture it in a sealed container or take clear photographs when possible. Preserving the specimen makes professional identification much easier.
Get Professional Pest Identification in New Jersey
A spider that looks like a tick cannot always be identified accurately from size or color alone. If you are finding unusual pests around your home, Universal Pest Control can inspect the property, identify the source, and recommend an appropriate treatment plan.
Universal Pest Control provides professional spider control and specialty pest control services throughout Union County and surrounding New Jersey communities. Contact Universal Pest Control to request a free estimate.