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What Kind Of Cockroaches Do I Have And How Do I Get Rid Of Them?


Cockroach Identification.

Out of approximately 4,000 known species of cockroaches worldwide, 30 are associated with human habitations and about five are frequent pests in Michigan, Ohio and Indiana.

Identifying the cockroach species is crucial for effective control. Different species have unique habitats, behaviors, and food preferences. This variation means each requires specific elimination techniques. Interestingly, some species aren't considered pests at all! They dwell and reproduce outdoors, never venturing inside. The following graphic illustrates some common species alongside their relative sizes. Remember, all cockroaches hatch from eggs, so young nymphs will be much smaller than the pictured adults and may lack wings.

cockroach identification chart

What kind of cockroaches live in Michigan, Ohio, and Indiana?

The two most common cockroaches we find in Michigan, Ohio, and Indiana are the German Cockroach and the American Cockroach. 

german cockroach

German Cockroach - Adults are 1/2 to 5/8 of an inch long, are light brown to tan in color, and have a pair of dark “racing” stripes behind the head. As with most insect pests, the cockroach is a prolific breeder. Females produce egg cases with 30-40 eggs in them, and will produce about 5 egg capsules in their lifetime! They are commonly found infesting kitchens, especially under warm appliances, such as ovens, refrigerators, and dishwashers. This species does not fly, despite their well-developed wings.


american cockroach

American Cockroach - Adults are 1 3/8 to 2 inches in length and reddish-brown with a light color surrounding a central darker marking on the plate behind their head. It is the largest of the common roaches and is capable of flight. They live a long time (for a cockroach) taking anywhere from 6 months to 2 years to mature, and living for another year or so after maturity. In other words, these things don’t just infest a structure overnight, but they do heavily populate warm moist areas like sewer systems and steam tunnels in the North. If many American cockroaches are suddenly noticed it’s a safe bet that a nearby sewer pipe has broken or a plumbing trap has dried out, giving them access to the structure.


These other less-common cockroaches also live in our area: Pennsylvania Wood, Mediterranean Spotted, Oriental, Smokeybrown, Surinam, and Brown-banded.


pennsylvania wood cockroach

Pennsylvania Wood Cockroach - Males and females look quite different in this species. Adult males are medium-sized and fully winged, often about 1 inch in length. The females are only 1/2 - 3/4 inches in length and have much shorter wings. This is a native cockroach to the Eastern U.S. and is rarely a pest, as it doesn’t reproduce indoors. However, in some areas, they can be quite common outdoors and the males will fly to lights left on at night, so they may occasionally be found indoors. This species may be found in wood piles, backed-up rain gutters, and wooden shingles or siding.


spotted mediterranean cockroach

Spotted Mediterranean Cockroach – This is a very small cockroach, about 1/3 of an inch in length, and a light tan color with darker speckles. This species is a more recent invader from Europe (introduced in the mid-1900s) and has been dramatically expanding its range ever since. It can now be found throughout Michigan and is quite common on outdoor foliage in some areas. This is another species that isn’t likely to reproduce indoors, but rather, they occasionally enter from outside. They are attracted to lights in the evening and will fly to them.  


oriental cockroach male and female

Oriental Cockroach - Adults are 1 –1 1/4 inches in length, dark brown or black. The females never develop wings, and the wings of the males only cover about 3/4 of their body. In our region, their biology is similar to American cockroaches, and they most frequently infest sewers and older buildings in downtown areas. However Oriental cockroaches are more cold-hardy and can occasionally infest outdoor locations where they will feed on filth such as garbage, feces, and other decaying organic matter.


smokeybrown cockroach

Smokeybrown Cockroach - Adults are approx. 1 – 1 1/2 of an inch in length and a deep, shiny, reddish-brown color. This species is very common down South but infrequently encountered in Indiana, Ohio, and Michigan. Oftentimes if they appear they may have hitched a ride on a shipment from a more Southern State. It can be recognized from the other larger cockroaches by adults having full wings (unlike the Oriental) and being one color (unlike the American).


surinam cockroach

Surinam Cockroach – About 3/4 of an inch in length with a solid, dark plate behind their head with light tan-colored wings. This cockroach likes a warmer climate and will not be found outdoors in the North. They are uncommon to encounter, but when they are found it’s generally in a greenhouse or an atrium with many potted plants. Interestingly, all Surinam cockroaches are females, males are not known for the species, and females hold their egg case internally until it hatches so they appear to give live birth!

brown banded cockroach

Brown-Banded Cockroach - Adults are approx. 1/2 of an inch in length and tan to light brown in color. Because of their similar size, they are sometimes confused as German cockroaches but have a solid dark brown mark behind their head instead of the “racing” stripes that the German has. This species is rather uncommon these days but will infest structures.


Why do I have cockroaches?

This will depend a lot on what species you are seeing, they may be coming in from outdoors, from the sewer, or brought in on an infested item. If you see one it doesn’t necessarily indicate a problem, however, if many are found there is almost certainly a problem! Generally, the pest species breed prolifically under the right conditions.

Are cockroaches dangerous?

The greater the number of cockroaches you share your living space with, the higher the potential for disease and other medical complications. In general, cockroaches are not dangerous. They won’t bite or sting. Several species are kept as pets and used as pet animal feeds for many reptiles. However, cockroaches have been connected with outbreaks of illness such as salmonella poisoning and can instigate asthma attacks in allergic individuals. Cockroaches that thrive in human waste and garbage often carry various bacterial and viral pathogens on their bodies and deposit them in their feces. These species will readily contaminate nearby food and food-preparation areas which can result in food poisoning, diarrhea, or dysentery.

How do you get rid of cockroaches?

The species that infest our structures often thrive in areas of poor housekeeping. Being vigilant about cleaning dirty dishes, removing all food crumbs, and keeping trash areas clean will help. But getting rid of cockroaches is a difficult task due to their elusive, nocturnal nature and ability to thrive with very few resources, as many Do-It-Yourselfers will testify. That's why Rose Pest Solutions, along with our Entomologists, train our employees to efficiently find and eradicate cockroach infestations using the latest technologies and product formulations. The inspection and treatment process can be complex and time-consuming, but cockroaches can be eliminated in even the most challenging environments with time and effort. Pesticide use is almost always necessary to help eradicate a cockroach infestation, which requires care, precision, and following all label directions.

How soon can you get here?

Contact your nearest Rose Pest Solutions service center immediately for an appointment.
In many cases, we can respond within 24-48 hours.

Is the cockroach treatment safe?

Rose Pest Solutions uses a variety of products and techniques to control cockroach problems, including, in many cases, non-toxic methods for monitoring and removal.  All insecticides that Rose uses have been subjected to stringent tests and registered for use by the EPA for use against these pests.  Generally, the products used against cockroaches indoors are minimally toxic and of little concern to health and safety.  Please don’t hesitate to ask us if there are any specific questions about the treatment, your health and safety are always a top priority to us!

How can I prevent cockroaches in the future?

Cockroach problems can be difficult to prevent. You can, however, make life significantly more difficult for cockroaches by ensuring that susceptible areas are kept clean and dry. Monitors can be used to give an early warning should cockroaches infest your space again. For outdoor living species, periodic treatments can limit their populations.

Helpful links about cockroaches

Michigan State University - How to prevent and get rid of cockroaches in your home


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