Updated: May 12, 2023

Cockroaches are one of the most common pests found in homes and buildings around the world. They are known for their ability to survive in almost any environment and for their adaptability to various food sources. But what do cockroaches eat? In this article, we will explore the diet of these pesky insects and how it affects their behavior.

Omnivorous Diet

Cockroaches are omnivores, which means they eat both plant and animal matter. They are known to eat a wide variety of foods, including fruits, vegetables, grains, meats, and even other insects. Cockroaches are scavengers by nature, so they will eat almost anything they can find.

Preferred Foods

While cockroaches will eat almost anything, they do have some preferred foods. They particularly enjoy starchy and sugary foods such as bread, pasta, and sugary snacks. They also like meat and cheese products.

Cockroaches are attracted to food that is left out in the open or not properly stored. They will also feed on crumbs and food residue left on dishes or countertops. It is important to keep a clean and tidy home to prevent cockroach infestations.

Feeding Habits

Cockroaches are nocturnal creatures, meaning they are most active at night. They will often come out of hiding to search for food in the dark. During the day, they hide in dark and damp places such as cracks and crevices in walls or under appliances.

Cockroaches have a unique feeding habit called “communal feeding.” This means that they will feed together as a group on a single food source. This behavior allows them to consume more food quickly before it spoils or dries out.

Impact on Health

Cockroaches can pose serious health risks to humans. They are known carriers of bacteria and can spread diseases such as salmonella and E. coli. Cockroach droppings and shed skins can also trigger allergies and asthma symptoms in some people.

It is important to keep cockroach infestations under control to prevent the spread of disease and potential health problems.

Controlling Infestations

To control cockroach infestations, it is important to eliminate their food sources. This means keeping a clean and tidy home, storing food in airtight containers, and cleaning up spills and crumbs immediately.

In addition to eliminating food sources, there are several other methods for controlling cockroach infestations. These include using insecticides, setting traps, and sealing cracks and crevices where cockroaches may be hiding.


Cockroaches are omnivorous creatures that eat almost anything they can find. They are attracted to starchy and sugary foods as well as meat and cheese products. Cockroaches are nocturnal and have a unique feeding habit called communal feeding. They can pose serious health risks to humans and should be controlled through proper sanitation measures and pest control methods.

By understanding the diet and behavior of cockroaches, homeowners can take steps to prevent infestations and keep their homes clean and pest-free.