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 FLORIDA ROACHES
A source for information on roaches

Surinam Roach     Pycnoscelus surinamensis

The Surinam cockroach is a burrowing insect that causes damage to vegetation. The species is most commonly found in humid, tropic areas such as the Southeastern United States. Males are nearly one inch in length, with dark brown wings and shiny black or brown heads. Female adults have light-colored wings and black heads.

Surinam cockroaches prefer dark, moist areas and hide in corners and beneath objects. Surinam cockroaches reproduce through parthenogenesis, allowing female specimens to fertilize eggs without the presence of males. Eggs are hidden within the female’s abdomen and are born live. Although females may have as many as 42 eggs, on average, only 24 will hatch successfully.

Surinam cockroaches are not commonly found inside homes. However, they infest greenhouses and gardens and prove destructive pests. If you suspect a Surinam cockroach infestation, contact your local Pest control professional to discuss extermination and prevention methods.

Appearance:
Surinam roaches are shiny brown to black in color. There is a pale white band on the front edge of their pronotum, or head area.

Size:
¾-inch in length.

Behavior:
The Surinam cockroach is often transported around the U.S. via the tropical plant industry. They can survive outdoors in sub-tropical states such as Florida. They prefer moist, dark areas and avoid light. The female Surinam cockroach can develop eggs without fertilization, and retains the egg capsule within the abdomen. They are nocturnal feeders and forage on a variety of plants.

Habitat:
Surinam roaches are found primarily in Florida, Texas, Louisiana, and in humid tropical climates. These occasional pests prefer vegetative habitats and are often found in interior plantscapes in homes, airports, hotels, and shopping malls. During the day they can be found outdoors under stones and mulch, beneath wood, barrels, in holes and crevices in the walls of buildings wherever it is dark and possible for them to conceal themselves.

Economic Significance:
Surinam roaches are plant feeders. They can severely damage plants in greenhouses, atriums, and yards, as well as expensive tropical plants.

Control:
Inspect any potted plant as thoroughly as possible before bringing it indoors. Disperse mulch piles and seal any cracks or crevices in the foundations of buildings to keep Surinam roaches from coming indoors. Removing leaf piles, woodpiles and other potential harborages is the best approach with this cockroach. It is also important to seal as many exterior cracks as possible, and to ensure that all foundation and attic vents have tight-fitting screens. Granular cockroach baits applied to active harborages are also helpfu

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