Do Spiders Eat Roaches?

Do spiders eat roaches? spiders are popularly known to weave webs to build homes and also trap unsuspecting insects (prey) such as flies, ants, etc But we want to know if they will also add the roaches to their menu.

Considering the large sizes of roaches, do spiders eat roaches? well, let us now find out!


Do Any Bugs Besides Spiders Eat Roaches?

There are several species of ants that will consume cockroaches if they find them in confined locations where the cockroaches are unable to flee. Ants are able to corner and encircle roaches more easily than they could ants because roaches move faster.

The Argentine ants (black sugar ants), and several species of fire ants are examples of the kinds of ants that feed on roaches. Aside from spiders, the parasitoidal wasp is the most formidable predator of roaches since it is a natural predator that specializes in hunting down specific types of insects.

More than 130 different species can be found in tropical and subtropical regions, and they come from Africa, Asia, and Europe. The parasitoidal wasp can be found practically anywhere there are cockroaches to be found.


Read also: Do Spiders Piss and Poop?


Do Spiders Eat Roaches?

Cockroaches larger than spiders have been known to be taken care of by spiders. It is a great advantage for huntsman spiders to be able to run sideways in any direction while chasing prey. It’s impossible for the prey to escape after it’s been trapped and subdued with poison.

There is no escape from the orb-weaver spider’s silk-wrapped victims once they are coated in digestive enzymes. As previously stated, the venom of the widow spider is toxic to all vertebrates, including humans.

Cockroaches are no match for these strong predators, regardless of their size. The venom glands on the female widow spiders are very big.

Despite the fact that their bites rarely result in death or major difficulties, the bites can be dangerous to both animals and people. They can consume the roaches to their hearts’ content once they have been tamed and predigested with digestive enzymes outside of the body.


What Species of Spiders are Fond of Eating Cockroaches?

  • The Black Widow Spider
Do Spiders Eat Roaches
The Black Widow Spider

Roach-eating spiders such as the deadly Black widow are next in line. Latrodectus is the scientific name for this spider, which is commonly found outside but can even enter homes. Widow spiders spin massive webs of silken strands that are tangled, uneven, and sticky.

For the black widow spider, it is a matter of waiting for prey to fall into its web and get snared by hanging upside down in the middle of it. The spider then rushes over and injects the insect with venom before wrapping it in silk.

  • The Huntsman Spider
Do Spiders Eat Roaches
The Huntsman Spider


Read also: How to Get Rid of Wood Roaches Naturally & Using Insecticides


Because of their size and appearance, huntsman spiders are frequently referred to as “giant crab spiders.” Their typical leg span is 15 cm. Their name is derived from their quickness and method of prey acquisition. roaches are typical prey for these creatures because of their quickness and method of hunting.

They are extremely fast and can run sideways because of their leg configuration. While running, some of the largest spiders may jump up to 5 meters per second. They have the ability to traverse walls and even ceilings with relative ease. Because they have a flattened body, they can fit through microscopic gaps and fissures.

During the night, cockroaches and huntsman spiders are at their most active. When it comes to hunting, the spiders’ greatest strength is their speed. Roaches are less likely to escape when they are chased and followed into cracks and crevices by these predators. The venom they inject and the bites they deliver help paralyze and subdue animals.


What Species of Roaches Can I Feed to My Pet Spiders?

Pet spiders, scorpions, bearded dragons, and other exotic pets enjoy eating cockroaches, which are high in protein. Cockroaches can be fed to spiders, despite the fact that it’s not suggested to do so.

  • The Lobster Cockroach

Cockroaches that resemble lobsters were first discovered in Egypt. Exotic pets, such as spiders, can eat these because they are low in chitin and soft in texture.

Prolific breeders and able to grow into large colonies from a small number of these soft-bodied roaches with low chitin content and high protein content. Parthenogenetic, however, the offspring are doomed to a short life span

Because they can climb almost anything, lobster roaches are able to flee and infest new areas. Breeding them necessitates extreme caution.

  • The Red Runner Cockroach

The red runner is the best roach to feed your spiders and other unusual creatures. Blatta Lateralis is the official scientific name for the red runner roach. These roaches have a low chitin level and are soft-bodied. Cockroaches’ exterior shells are hardened by a protein called chitin. As a result, they’re suitable for use in the feeding process.

In addition to being able to run quickly, these spiders can’t climb clean polished surfaces, so they won’t escape from your pet’s container. Many kinds of spiders are attracted to the distinctive odor of red race roaches and go into feeding mode as a result.


How Do Spiders Eat Cockroaches?

The venom of all Sparassidae spiders is used to paralyze and kill roaches and other insects. Venomous glands are located in their cephalothorax and are used for injection (fused head and thorax of spiders). Fangs in their mouths (Chelicerata) connect to the venom glands, which is why they are so dangerous.

One exception to this rule is the Cribellate weaver or hackled orb weaver, a species of weaver that belongs to the Uloboridae family. They are not poisonous. All members of the Uloboridae family generate cribellate, which is a type of feathery, fuzzy silk (sometimes known as “hackled silk”).

Stabilmentum is the zigzag pattern that runs through the center of the orb. A thorough understanding of this structure’s purpose has not yet been achieved.

These spiders have evolved a unique characteristic that allows them to vomit digestive enzymes onto their food after they have been wrapped in silk. Using their straw-like mouths, the spiders eat the prey that has been pre-digested by these digestive secretions.


Read also: What Does Cockroaches Like To Eat? | Cockroach Diet


Tip-Off: Can Spiders Control Roach Infestation In Your Home?

The use of spiders to exterminate roaches is a fruitless endeavor since spiders do not actively seek out roaches; rather, they attack those that come near their hiding places.

Additionally, the roaches’ growth rate is far faster than the consumption of spiders, hence this method of controlling roaches is useless. Cockroaches may breed swiftly in the correct conditions, therefore spiders can only suppress an epidemic of roaches to a limited degree.

It is possible that the spiders will be able to control the roach population in the early stages of an infestation by preying on the roaches. Thanks for reading!

About The Author

Discover more from Pestclue

Subscribe to get the latest posts to your email.

Leave a feedback

This site uses Akismet to reduce spam. Learn how your comment data is processed.