The American Cockroach is the largest common cockroach in North America despite originating in Africa, reaching over 1.5 inches with reddish-brown wings marked by a pale border on the thorax. It is capable of flight when temperatures are warm. It thrives in sewers, steam tunnels, and warm moist buildings and is a significant allergen source for asthma sufferers.
Best time to see a American Cockroach
The best time to see a American Cockroach is April–September, when about 62% of U.S. sightings happen, based on 14,742 research-grade iNaturalist observations.
Not certain it is a American Cockroach? What bug is this? walks through what to check first and the lookalikes that catch people out.
Recent American Cockroach sightings near you
Live, research-grade observations from iNaturalist. Allow location to center the map on you.
Spotted an American Cockroach?
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