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Pest Information

Cinereous (Lobster) Cockroach

Cinereous (Lobster) Cockroach

  • Latin Name: Nauphoaeta cinerea
  • Common Name: Cinereous (Lobster) Cockroach
  • Latin Family Name: Blaberidae
  • Other Names: Cinereous cockroach

Pest Details

Cinereous (Lobster) Cockroach
Cinereous (Lobster) Cockroach


Not mentioned, but it is a tropical species currently found in Africa, Europe, Asia, Australia and the United States, where it is a resident in Hawaii and Florida, and it occurs in other southern states. It also has been found in California as a possible import from Asia in food packaging.


The name “lobster” is derived from a lobster-like design on the prothorax. It is an outdoor dwelling species that has even been found as a predator on other cockroaches in Hawaii. It may be transported in commodities such as grain, fruit, or vegetables.


Adults are about 1.3 inches long and are ashy gray in color. The males and females are both winged, with the wings shorter than the abdomen.

Characteristicts Important to Control:

These are uncommon insects in the U.S. and should be treated in a manner similar to American roaches when found. Reduction of food and moisture sources, reduction of harborage, and crack and crevice treatment with a residual insecticide are effective.

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