8 Types of Roaches with Pictures: A Pest Identification Guide – Cockroach Facts

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Finding even a single cockroach in your home can mean a dangerous site. If you ’ ve discovered one, you ’ ll want to move debauched, beginning with the crucial first step : designation .
In this inadequate guide, you ’ ll learn about the 6 types of roaches ( with pictures for easy identification ) probably to have invaded your home – tone # 1 in your cockroach battle plan .

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The Different Types of Cockroaches

German Cockroaches

German cockroach nymph, adult, and egg sac, beside a U.S. penny for scale

German cockroach pictures

German cockroach pictures. Click to enlarge.

About:

The german cockroach, Blattella germanica, is the most common nuisance cockroach that people find in their homes. It prefers houses and buildings to any early habitat and reproduces faster than other cockroach species. It ’ s particularly baffling in apartments and other types of shared know spaces .
Though they have wings, they don ’ thyroxine fly ; rather, they use their wings to glide. german cockroaches are dangerous in homes because they can spread disease by contaminating food and fudge surfaces. furthermore, they shed sporadically and leave behind egg casings that can cause asthma attacks and gun trigger allergies .

Appearance:

german roaches are relatively small—approximately 0.5 inches long. An pornographic german cockroach is faint brown and has two iniquity stripes running down its thorax ( the middle section of its body ). A juvenile ( called a nymph ), on the other hand, is smaller, dark colored, and has a tangent chevron running down its bet on .

Geographic Range

german cockroaches live in many environments worldwide. They can live outdoors in the tropics but prefer to find shelter in people ’ mho homes in cooler climates .

Mode of Entry

often, german cockroaches are by chance brought into homes on furniture or in grocery bags, shipping boxes, and drink cartons. In apartment buildings, they can crawl through shared pipes and ducts to infest extra units and promptly become a widespread trouble .

Preferred Locations

You ’ ll most likely line up german cockroaches hanging out in your kitchen, toilet, or any space where food is stored or prepared. They are particularly fond of humid areas with temperatures between 70 and 75oF .
These roaches can squeeze into cracks and crevices to hide near food, water system, and sources of heating system. If their populations become besides large, you might begin to find them in other parts of your home, including bedrooms and closets .

Habits and Reproduction

german cockroaches eat a variety show of family items, including reserve bindings, crumbs, soap, toothpaste, and early scavenge items .
female german cockroaches lay egg cases, called oothecae, that can contain 30 to 40 eggs each. They produce these egg cases every few weeks ( more much during strong weather ). On average, a german cockroach lays between 4 and 8 oothecae in its life .
Don ’ metric ton expect to find these egg cases easily, though : females carry them around until 1 to 2 days before they hatch. sometimes, a female estimates incorrectly and the eggs think up while she ’ s still carrying the ootheca .
A one german cockroach can be responsible for the births of more than 30,000 babies in one year. Typically, nymph mature in 40 and 125 days. Though not all will survive to adulthood, these cockroaches ’ rapid cycles of growth and reproduction can cause infestations to grow and spread cursorily. Making proper roach control extremely significant .

american Cockroaches

American cockroach pictures

About

The american cockroach, Periplaneta americana, ( besides known as the palmetto wiretap or sewer cockroach ) is besides quite common in homes and apartments. however, this roach species prefers the outdoors and is less likely to infest living spaces than german cockroaches. Like german cockroaches, the american roach can spread disease and trip allergies and asthma. They move quickly but don ’ t frequently use their wings to fly .

Appearance

At up to 2 inches in length, American cockroaches are the largest of the common roaches. Their color is red-brown, with a light scandalmongering isthmus outlining their thorax. It ’ s easy to tell the remainder between adults and nymph because the adults are larger and have wings, while nymph don ’ t have wings .

Geographic Range

Despite their appoint, American cockroaches are native to the african tropics. nowadays, however, they ’ rhenium located throughout the United States .

Mode of Entry

american cockroaches typically enter homes through piping from sewers or alike locations. They can crawl through small gaps around windows, doors, or vents to find shelter. They can besides enter homes as stowaways in piles of firewood .

Preferred Locations

american cockroaches much live in sewers, storm drains, steam tunnels, water meter boxes, gardens, pan bins, and facilities that raise animals. They like warmth and humidity, specially temperatures above 82 F. Indoors, they hide in laundry rooms, boiler rooms, bathrooms, and kitchens. Though they sometimes infiltrate homes, it ’ second more coarse to find infestations in grocery stores and restaurants .

Habits and Reproduction

female american cockroaches carry their oothecae for around 6 days before attaching them to the inner surface of a crack or crevice. Each ootheca contains about 12 to 16 eggs, which might not hatch for 2 months or longer. In a unmarried year, a female can be responsible for more than 800 individuals .
The nymph ripen more slowly than those of other cockroach species, taking between 65 and 400 days .
american cockroaches prefer a diet of decaying organic count, but will besides eat equitable about anything, including crumbs and family scraps. Outdoors, they feed on leaves, wood, fungus, alga, and smaller insects .

oriental Cockroaches

Oriental cockroach pictures

About

The Oriental cockroach, Blatta orientalis is a dangerous pest that largely lives outdoors. They are most common in homes that have a batch of vegetation around them. They don ’ t move arsenic fast as early kinds of roaches and don ’ thyroxine fly. unable to climb fluent vertical surfaces, they much become trapped in sinks and bathtubs .
oriental cockroaches are even more unpleasant than early cockroach species because of their diet : garbage, feces, and decaying plant and animal matter .
They stink, besides. They spend a lot of time crawling over faecal count, rotting things, and other bacteria-laden material as they search for food ( making them potentially more dangerous than other types of cockroaches ). They ’ ll pollute food, food training areas, and utensils simply by walking over them. fortunately, their olfactory property is potent adequate to warn you that your food has been contaminated .

Appearance

oriental cockroaches are larger than german cockroaches but smaller than american cockroaches, measuring about an column inch in distance. They ’ ra glistening, and benighted brown to black in color. While both males and females posse wings, the wings of female oriental cockroaches are rudimentary. Males ’ wings, meanwhile, are about 25 % shorter than their bodies. Nymphs look like small, wingless females .

Geographic Range

The Oriental r-2 lives in coastal areas worldwide. In the United States, it ’ s predominantly found in southern, northwestern, and Midwestern states .

Mode of Entry

oriental cockroaches typically enter homes through gaps around windows, doors, and vents. Some occur in through sewer pipes or drains that run through walls to the external. They might besides ride along on firewood from a woodpile they ’ ve been living in .

Preferred Locations

oriental cockroaches are much found in aplomb ( below 84 F ), damp, blue locations, including woodpiles, trash bins, garages, and basements. They besides live among ivy and ground cover, inside meter boxes, and in sewers and drains. These roaches are resilient, and can survive quite well in cool temperatures .
Indoors, you might find oriental cockroaches in sink cabinets ( particularly if pipes are leaking ), below appliances, and within floors5 .

Habits and Reproduction

During the day, they tend to remain outside, sometimes entering homes at night to forage .
oriental cockroaches mature slowly—sometimes, it takes over two years for a nymph to reach adulthood. however, they merely live about 180 days. Females carry their ootheca for about a day before depositing it in debris or food. An oriental cockroach ootheca contains about 16 eggs. all in all, one female can produce up to eight egg cases, and improving to 200 new roaches in a year .

wood cockroaches

Pennsylvania wood cockroach female, male, and egg sac, beside a U.S. penny for scale.

Wood cockroach pictures

About

There are 12 species of wood cockroach ( Parcoblatta ), including the Pennsylvania wood cockroach, the Virginia wood cockroach, the Boll ’ s wood cockroach, and the Broad wood cockroach. All thrive in damp woodlands but can besides be found in homes occasionally. Houses situated near forests are particularly at gamble during the leap and summer. Since they feed on dead wood and other materials, these cockroaches are sometimes bring inside with firewood. however, they can ’ metric ton survive for long indoors .
wood cockroaches are different from early cockroach breeds in their attraction to light. only the males can fly short distances. Like other types of roaches, wood cockroaches can contaminate food and trip allergies and asthma .

Appearance

wood cockroaches are about 1 column inch long and brown. The edges of some wood cockroaches ’ wings are white. Females ’ wings are shorter than males ’ —only about 0.5 inch long. Nymphs, which are smaller than adults, completely miss wings .

Geographic Range

Native to North America, the wood cockroach is found across much of the United States, though it ’ sulfur less probable to be found in the cardinal partially of the nation. It besides lives in Canada and Mexico .

Mode of Entry

wood cockroaches infiltrate homes through gaps around windows, doors, and vents during the spring and summer. In the cool months, they hitch rides on firewood. It ’ randomness authoritative to always check your firewood for roach eggs before bringing it into your home .

Preferred Locations

wood cockroaches are most much found in woodpiles and under the bark of fallen logs and dead trees. sometimes they congregate dear homes in gutters and crawl spaces .

Habits and Reproduction

The diet of wood cockroaches chiefly consists of decaying organic matter .
Females deposit their oothecae under the bark of dead trees and fallen logs. The egg think up about a month late. Wood cockroaches typically lone live for a few months .

Smokybrown Cockroaches

Smokybrown Cockroach Pictures

About

The smoky brown university cockroach, Periplaneta fulginosa, is identical sensitive to dehydration and must live near a authentic source of water. It ’ s a nocturnal animal and will fly away if disturbed. Like the wood cockroach, smoky brown cockroaches are attracted to light .

Appearance

Smokybrown cockroaches are relatively large—approximately 1.5 inches long. They are dark brown to mahogany-colored with a thorax that looks about black. You can distinguish them from some other types of roaches by looking at their wings, which are longer than their bodies .

Geographic Range

Smokybrown cockroaches are found in the southeast United States .

Mode of Entry

Smokybrown cockroaches typically climb into homes through vents and plumb, particularly where vegetation touches the home .

Preferred Locations

An outdoor type of r-2, they prefer to hang out in gutters, planter boxes, and woodpiles. They besides live below shingles and side, inside water meter boxes, in garages, and amongst trees, shrubs, and other vegetation. sometimes, they even live in sewers. It ’ second rare but these cockroaches do occasionally enter homes. then, they ’ re typically found in attics .

Habits and Reproduction

Females carry their oothecae for a day before depositing them. It takes about 45 days for the 20 or so nymph to hatch .

Brownbanded Cockroaches

Brownbanded cockroach pictures

About

The brown banded cockroach, Supella longipalpa, prefers indoor spaces, but is less park than the german cockroach. While females can ’ metric ton fly, males sometimes flying away from disturbances ( though they ’ re more probable to jump ) .
Brownbanded cockroaches have a varied diet, consuming garbage equally well as human food. They ’ re a dangerous plague inside homes because they ’ re probable to spread bacteria and other contaminants to food and food homework areas. They besides leave behind previous skin and testis cases that can trigger allergies and asthma attacks .

Appearance

Brown banded cockroaches have minute bodies. They ’ re about 0.5 inches in distance ( the adult males longer than the females ) and have light brown or yellow bands on their abdomens, wings, and the sides of the thorax. Males and females are different colors : males appear to be golden-tan while females are a dark brown .
Males ’ wings are longer than their bodies, while females ’ wings cover lone part of the abdomen. The nymph are smaller and have two faint horizontal bands on their bodies5 .

Geographic Range

Brown banded cockroaches live across most of the United States .

Mode of Entry

Like german cockroaches, brown university banded cockroaches typically get into homes through furniture, grocery store bags, food containers, and electronics. They can move between apartment units via shared duct work and pipe and can quickly become a good problem in apartment complexes .

Preferred Locations

You ’ re most likely to encounter brown band cockroaches in locations that are warm ( around 80oF ), dry, sheltered and higher up, much out of achieve. You should inspect around electric appliances ( much in kitchens ), below clutter, behind wall decorations, and within hollow furniture legs .
Brown banded cockroaches live most normally in homes that lack air condition. They ’ re besides frequently a pain in offices or places where lots of paper is stored .

Habits and Reproduction

Brown banded cockroaches and german cockroaches don ’ thymine get along ; they typically don ’ deoxythymidine monophosphate partake habitats. Brown banded roaches are nocturnal and don ’ t seem to care about what they eat, consuming a wide kind of materials, from homo food and garbage to fabric ( including invest and curtains ), to glue, and even wallpaper.

Brown banded cockroach oothecae contain between 13 and 18 eggs each. Females carry them for about a day to a day and a half, then attach them to ceilings ( much in closets ) or the undersides of furniture. The oothecae then remain for around 50 days until the eggs hatch .
Brown banded cockroaches have an average life of 13 to 45 weeks. A single female will produce about 14 oothecae in her life, each containing about 13 eggs .

australian cockroach

Australian cockroach pictures

Australian cockroach pictures

About

The australian cockroach, Periplaneta australasiae, is a species of cockroaches that typically lives outdoors but does occasionally invade people ’ south homes. It ’ s boastfully and has long wings that let it fly inadequate distances. Due to its appetite for dead and decay things, it can pick up bacteria and contaminate your counter tops and pantry foods if it gets inwardly .

Appearance

australian cockroaches are similar in size to american english cockroaches. You can tell them apart by looking for the distinctive tangent ring-like blueprint on an australian roach ’ s back, just below its steer .
These cockroaches grow to about 1 ¼ inches long. They ’ re one of the biggest bugs you ’ re probable to find crawling around your family. Don ’ triiodothyronine be scared—they ’ re not out to hurt you ! They spend about all of their time hide .

Geographic Range

The australian cockroach is distributed globally. In the U.S., the largest populations are located in southern states. They ’ ll build colonies in tree trunks, piles of forest, water pipes and other damp areas .

Mode of Entry

australian cockroaches come into homes and other buildings through bantam holes in exterior walls and spaces where a pipe or wire enters. They hang out in garden mulch and piles of leaves, so they ’ re already close to your family. a soon as temperatures dangle, they ’ ll front for ways inside .

Preferred Locations

australian cockroaches largely live outdoors in warmly climates. Their favorite habitats have lots of humidity and senior high school temperatures. sometimes, they infest greenhouses but don ’ deoxythymidine monophosphate model much of a terror to crops .
They ’ ll come indoors when temperatures drop excessively moo outside. You might find them in sinks and bathtubs or hiding in cabinets and drains .

Habits and Reproduction

Females hide their egg cases in wet woodpiles and crevices near food and body of water. Nymphs grow over a time period of 6 months to a year. As they grow larger, they molt their old exoskeleton and grow a modern one .
They go through respective molting stages before reaching adulthood. Adult australian cockroaches live up six months. A single roach can lay over 20 egg cases and produce hundreds of nymph in its inadequate life .

asian cockroach

Asian cockroach pictures

Asian cockroach pictures. Click to enlarge.

About

The asian cockroach, Blattella asahinai, is kind of like the secret twin of the german cockroach. They ’ re indeed similar in appearance that even professionals mistook them for german roaches when they were first gear discovered. sometimes, they even do !

Appearance

The australian cockroach is a bantam bug ( a little over 1/2 edge long ) whose coloring material is by and large light brown. It besides has a obtrusive pair of darkness ( about black ) stripes running down its back from its promontory to the gratuity of its abdomen. Around these dark strips, it ’ s body looks like it ’ sulfur bordered in white .

Geographic Range

The asian cockroach is a southern species in the U.S. Its biggest populations are in Florida and the surrounding states. Like many people who move to those states, it lives there because of the heat and humidity .

Mode of Entry

asian cockroaches are crazy about lights and use their mighty wings to fly toward any nearby alight sources. This is the most common reason they enter homes. otherwise, they ’ re broadly reasonably felicitous staying outside .
You might besides run into these cockroaches in your garage or shed since they can well fit through the break below a garage door or a hole in a shed wall .

Preferred Locations

asian cockroaches largely live outdoors in mulch and the shade areas of people ’ mho lawns. Like early roaches, they feed on decomposing material and drivel, among other things. This leads them to compost piles and landscaping cluttered with leaves or damp mulch .
If they come indoors, they ’ ll fly toward lights and television receiver screens. They ’ ll normally hide cheeseparing to food sources or in areas with the highest humidity .

Habits and Reproduction

The asian cockroach feeds on equitable about anything, from food and drivel to decomposing leaves and other dead insects. once asian cockroaches infest an area, they quickly push out any other cockroach species .
female asian cockroaches lay about 37 eggs in each egg case they produce. Despite an average life of under 6 months, these roaches still manage to reproduce and spread promptly .
adult populations are largest during the late summer. In some parts of Florida, hundreds of thousands of asian cockroaches have been found in a single acre .

Suggested Products If You Have a Roach Problem

To Find Cockroach Hiding Spots and Kill Them Quickly When You Have Just a few

Recommended for all cockroaches

Exterminator’s Choice Sticky Glue Traps

Used to measure and monitor a cockroach infestation and provide some auxiliary control .
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BASF PT P.I. Contact Insecticide

P.I. is a pyrethrin-based atomizer insecticide that kills roaches fast. Best when used as a accessory to other treatments, it ’ s not cheap, but far more effective than off-the-rack sprays .
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To Kill Cockroaches Inside Your Home When You Have a dangerous trouble

Recommended for german cockroaches and Brown banded cockroaches, a well as american cockroaches ( Palmetto bugs, Water bugs, Tree roaches, Sewer roaches ), and oriental cockroaches when they enter in large numbers .

HARRIS Diatomaceous Earth Powder Duster

insecticidal dusts like CimeXa work good when applied with a duster instrument. This cheap diatomaceous earth dustcloth works fine with CimeXa, Delta Dust, and other recommend dusts .
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Syngenta Advion Cockroach Gel Bait

Advion beginning poisons the roaches that eat it, then others in a secondary kill. For the most effective indoor treatment, trust with CimeXa insecticidal debris and Gentrol IGR .
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Gentrol Point Source IGR

Gentrol is an insect growth governor ( IGR ) that interferes with roach replica. It ’ s most effective use aboard Advion Gel Bait and CimeXa insecticidal scatter .
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To Kill Cockroaches Outdoors Before They Have a chance to Get Inside

Recommended for american cockroaches ( Palmetto bugs, Water bugs, Tree roaches, Sewer roaches ), oriental cockroaches, and Smokybrown cockroaches .

Bayer Polyzone Suspend Insecticide

When used on outside foundations, entries, and walls, Suspend insecticidal liquid stops outdoor roaches before they get in. It requires a distinguish atomizer ( see below ), and works best alongside a farinaceous outdoor bait like Intice and an outdoor crack and crack discussion like Delta Dust .
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Chapin 1 Gallon Multi-Purpose Sprayer

Liquid pesticides require a disjoined atomizer. This cheap pump atomizer works fine for smaller jobs .
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InTice Perimeter Insect Control Bait Granules

InTice is a chondritic bait that kills roaches outdoors and in spaces like your garage or attic. Used alongside a spray treatment like Bayer Suspend and a snap and crack discussion like Delta Dust, it can protect the stallion circumference of your home .
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Delta Dust Insecticide Dust

Waterproof and durable, Delta Dust is a crack and crevice treatment effective in high-moisture areas such as attics, outside walls, and plumbing lines. Delta Dust is regulated and unavailable in some areas .
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ending

The first gear footfall in any pest see strategy is to find out precisely what you ’ re up against. here, we ’ ve covered crucial details about the six unlike types of cockroaches you ’ re most likely to run into in or around your base .
With this information, you ’ ll be able to identify the types of roaches you see and find where they ’ re hide. You ’ ll besides know how dangerous they might be and how serious the problem is. Armed with this cognition, you ’ re fix to tackle your cockroach problem head-on .
good luck !

frequently Asked Questions

How many different types of roaches are there? There are more than 4500 unlike types of roaches. Of those, only 69 species are found in the United States ( 10 in Canada ), and alone 30 are considered pests. What type of roaches fly? Some roaches fly. Others don ’ deoxythymidine monophosphate. Of those that do, there ’ s a big remainder in flying ability. asian, Smokybrown, Australian, and wood roaches are pretty good fliers, while american english cockroaches truly just use their wings to glide. What type of roaches go inside your house? lone a handful of cockroach species wind up inside our homes, and an flush smaller number actively try. While wood roaches typically get in by accident, and American and Oriental roaches typically enter when there ’ south a change in environment outdoors, german and Brownbanded roaches will actively try to infest your home. What is the worst kind of roach? Of the scores of cockroaches that inhabit North America, fair a few are considered dangerous due to the filth they live in and the menace of contamination they pose. The roaches which pose the highest gamble to human health are the german, American, Oriental, and Brownbanded species. Written by Andrew Martin. Reviewed by Rae Osborn, PhD.

Andrew Martin

Writer/Publisher Andrew writes for, and along with his daughter, publishes Cockroach Facts. You can read more about him hera.

Rae Osborn, PhD.

science editor Dr. Rae Osborn holds Honors Bachelor of Science degrees in Zoology and Entomology, and a overcome of Science in Entomology from the University of Natal in South Africa. She holds a PhD in Quantitative Biology from the University of Texas at Arlington, where her research was in Entomology. You can learn more about our contributors here .
Sources :

  1. Rust, M.K. and Reierson, D.A. (2007) Cockroaches. Pests of Homes, Structures, People, and Pets. Retrieved from http://ipm.ucanr.edu/PMG/PESTNOTES/pn7467.html.
  2. Potter, Michael F. (2018) Cockroach Elimination in Homes and Apartments. Entomology at the University of Kentucky. Retrieved from https://entomology.ca.uky.edu/ef614.
  3. Hahn, Jeffrey and Ascerno, Mark. (2018) Cockroaches. University of Minnesota Extension. Retrieved from https://extension.umn.edu/insects-infest-homes/cockroaches.
  4. McLeod, Robin. (2005) Genus Parcoblatta – Wood Cockroaches. BugGuide. Retrieved from https://bugguide.net/node/view/31624.
  5. Wood Cockroach (n.d.) Iowa State University Extension and Outreach. Retrieved from https://hortnews.extension.iastate.edu/wood-cockroach
  6. University of Georgia’s Center for Invasive Species and Ecosystem Health (Bugwood Images collection).
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