Common Pest Species:

American Cockroach (Periplaneta americana)

German Cockroach (Blattella germanica)

Oriental Cockroach (Blatta orientalis)

Brown-Banded Cockroach (Supella longipalpa)

Brown-Hooded Cockroach (Cryptocercus punctulatus) *Not generally seen as a household pest

Active Times: Nighttime (Nocturnal)

If seen during the day it may indicate an explosive population number within the household

(Ex. German Cockroach)

Characteristics (Appearance/Habitation/Etc.):

Cockroaches tend to have mostly flattened squashed bodies with dark brown and black colorations, generally have two wings folded on back, have long antennae, and six legs in total . The exception being the Oriental Cockroach, which is flightless for the pest species listed here even though wings are present. The average length for the pest species listed here range from half an inch to 1.5 inches in length with both the German and Oriental Cockroaches being on the small side of around half an inch in length.

There are currently around 50 species of cockroach that have been identified in the United States, but only a handful are generally considered pests for human habitations.

Many species of Cockroach can be found inside the home around kitchens, basements, bathrooms, floor drains, laundry rooms, and most locations which allow them regular access to both food and water in your home (a general rule of thumb for many household pests).

Cockroaches prefer travelling along the baseboards in a room, but many can fly, crawl along walls using attachment pads, and etc.  They use both light and vibration to alert them of a predator’s presence (you) in order to flee. Some species use pheromones to gather into groups per species and are highly social, creating scent pathways to locate food. So if you see a cockroach in the home it is very likely that there are more, and if that cockroach has found food the chances there will be more soon are also very likely.


The average lifespan of a cockroach is 1-1.5 years. Depending on the particular species of cockroach, reproduction rates and cycles vary. Females of certain species can produce upwards of 400 offspring each. Others species can have many more young, and have different maturation rates.

Diet: Omnivorous, Scavengers which will eat anything edible they can find.

Diseases: Spread Human diseases transferred through fecal matter of people, which cockroaches may eat. (Ex. Diarrhea and Dysentery; fecally contaminated food/foodborne illness)

Notes/Research Sources:















Andrew Herman recently graduated with a BA in Biological Sciences from Northern Arizona University, and is pursuing his Master’s for Wildlife Health Population and Management.

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