Japanese Cockroach

What Is A Japanese Cockroach? Get Rid Of Japanese Roaches

The Japanese cockroach (Periplaneta japonica) is a cockroach species native to Japan. It is a relatively small species, measuring around 1 to 1.5 centimeters in length. These cockroaches are light brown in color and have a flattened body with long antennae.

Japanese cockroaches are primarily found in outdoor environments, such as gardens, fields, and wooded areas. They are known to be more tolerant of cooler temperatures compared to other cockroach species, allowing them to survive in a wider range of climates.

Japanese Cockroach Size

The size of the Japanese cockroach (Periplaneta japonica) can vary depending on its life stage and gender. Generally, adult Japanese cockroaches measure around 1 to 1.5 centimeters (0.4 to 0.6 inches) in length.

Males tend to be slightly smaller than females. The males have a more streamlined appearance with longer wings that cover the abdomen, while females have shorter wings that do not fully cover the abdomen.

What Is Japanese Cockroach Eat

The Japanese cockroach (Periplaneta japonica) is an omnivorous scavenger, meaning it eats a variety of food sources. Here are some common items that Japanse cockroaches may consume:

Organic matter: Japanese cockroaches feed on decaying organic material such as dead insects, plants, and animal waste.

Food scraps: They are attracted to food remnants and scraps, including leftover meals, crumbs, and spilled food. This makes them particularly interested in kitchen areas.

What Is Japanese Cockroach Eat

Garbage: Japanese cockroahes are known to scavenge in trash bins and dumpsters, feeding on organic waste.

Starches and sugars: They are attracted to starchy and sugary substances, including grains, cereals, sweets, and sugary liquids.

Pet food: Japanese cockroaches may also consume pet food if it is accessible.

 Japanese Cockroach Trap

To trap Japanese cockoaches, you can use commercially available cockroach traps or create DIY traps at home. Here’s a simple method to make a DIY Japanse cockroach trap:


Materials needed:

  • Glass jar or the plastic container with lid
  • Petroleum jelly or cooking oil
  • Bait (e.g., bread, fruit, or sugary substance)


  • Thoroughly clean and dry the jar or container to ensure it is free from any residual smells or substances.
  • Apply a thick layer of petroleum jelly or cooking oil to the inner walls of the container. This will create a slippery surface that makes it difficult for the cockroaches to escape.
  • Place a small amount of bait in the bottom of the container. Japanese cockroaches are attracted to starchy or sugary substances, so you can use bread, fruit, or a mixture of sugar and water as bait.
  • Secure the lid on the container.
  • Poke a few small holes in the lid to allow the cockroaches to enter the trap.
  • Place the trap in areas where Japnese cockroaches are commonly found, such as near their hiding spots or along their travel paths.
  • Check the trap regularly and dispose of captured cockroaches by emptying the contents into a sealed bag and discarding it properly.

Japanese Cockroach killer 

To eliminate Japanese cockroaches effectively, you can use cockroach killers specifically designed for insect control. Here are a few common methods and products used to kill Japanse cockroaches:

Insecticide Sprays: There are numerous insecticide sprays available in the market that are effective against cockroaches. Look for sprays labeled for cockroach control and follow the instructions carefully. Apply the spray to areas where Japanes cockroaches are present, such as cracks, crevices, and entry points.

Cockroach Baits: Cockroach baits are another effective option. These baits contain attractants and insecticides that lure cockroaches to feed on the poisoned bait, ultimately killing them. Place the baits in areas where Japanese cockroaches are active, such as near their hiding spots or along their travel paths.


Insecticide Dusts: Insecticide dusts can be used to treat hard-to-reach areas, such as wall voids or crawl spaces, where Japanese cockroaches may hide. Apply the dust according to the product instructions, using a duster or similar applicator.

Professional Pest Control: If you have a severe or persistent Japanese cockroach infestation that is difficult to control on your own, consider contacting a professional pest control service. They have the expertise and tools to effectively eliminate the infestation and provide long-term solutions.

Rid Of Japanese Roaches

To get rid of Japanese cockroaches, you can follow these steps:

Identify and Eliminate Food Sources: Japanese cockoaches are attracted to food residues and crumbs. Keep your kitchen and dining areas clean, promptly clean up spills, and store food in tightly sealed containers.

Clean and Declutter: Regularly clean your home, paying attention to areas where cockroaches can hide, such as behind appliances, in cracks and crevices, and under sinks. Remove clutter and seal off any entry points to prevent their access.

Use Cockroach Baits: Place cockroach baits in areas where Japanse cockroaches are active. These baits contain attractants and insecticides that will attract and kill the roaches. Follow the instructions on the product and keep the baits out of reach of children and pets.

Rid Of Japanese Roaches

Apply Insecticide Treatments: If the infestation persists, consider using insecticide sprays or dusts labeled for cockroach control. Apply them to cracks, crevices, and other areas where cockroaches hide or travel. Follow the instructions on the product carefully and take necessary safety precautions.

Seek Professional Help: If the infestation is severe or persists despite your efforts, it may be necessary to consult a professional pest control service. They have the knowledge, experience, and specialized treatments to effectively eliminate Japanese cockroaches.

Also Check:Indian Cockroach 


Japanese cockroaches (Periplaneta japonica) are small, light brown to dark brown cockroaches. They have a flattened body, long antennae, and measure around 1 to 1.5 centimeters in length.

Japanese cockroaches are commonly found in outdoor environments such as gardens, fields, and wooded areas. They may also enter buildings, especially during warmer months, in search of food and shelter.

Japanese cockroches are considered a nuisance pest, but they are not known to be major carriers of diseases. However, their presence can still be unhygienic and may trigger allergies or asthma symptoms in sensitive individuals.

To prevent Japanese cockroch infestations, maintain cleanliness, and good sanitation practices. Clean up food spills promptly, store food in sealed containers, seal cracks and crevices, and eliminate access to water sources.

Effective methods to control Japanese cockraches include eliminating food and water sources, using cockroach baits or traps, applying insecticide treatments if necessary, and seeking professional pest control assistance for severe infestations.


Japanese cockroaches (Periplaneta japonica) are small, light brown to dark brown cockroaches commonly found in outdoor environments such as gardens, fields, and wooded areas. While they may occasionally enter buildings in search of food and shelter, they are considered a nuisance pest rather than a significant health threat.Preventing Japanese cockroach infestations involves maintaining cleanliness, good sanitation practices, and eliminating food and water sources. This includes promptly cleaning up spills, storing food in sealed containers, and sealing cracks and crevices.

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