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Asian Cockroaches

Active Seasons

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Appearance and Size Facts

  • Asian cockroaches are almost identical in appearance to German cockroaches
  • Main differences between the Asian and German cockroaches are the wings (the Asian cockroach has longer and narrower wings than those of the German cockroach) and coloration (Asian cockroaches are lighter in color than most German cockroaches)
  • Size: Ranges from 1/2 inch to 5/8 inch in length
  • A rural and suburban pest, and will infest both homes and yards
  • Strong fliers

Behavior and Habitat of Asian Cockroaches

Asian cockroaches are strong fliers, and are both a feral (wild) and peridomestic species. Adults take flight, even during the day, if disturbed, and are easily seen in infested lawns (because their flight is similar to that of moths and leafhoppers). At dusk, it is common to see a flurry of Asian cockroach activity, especially because they are attracted to lights. Asian cockroaches are abundant in shaded areas with leaf litter or where there is ground cover. In feral habitats, the Asian cockroach is found in shaded areas of pastures, along shaded road sides in leaf mulch, in shaded areas of thick grass, and in ground cover of abandoned citrus groves. The adults have been found feeding on the honeydew from aphids and on flowers during the night.

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Signs of Infestation of Asian Cockroaches

They will fly to lights at night. They feed off starch and certain colored dyes, leading to signs of feeding on items such as stamps, envelopes, draperies, and wallpapers.

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Tips for Prevention of Asian Cockroaches

Asian cockroaches are attracted to exterior and interior lighting and/or other light-colored surfaces and areas around a home, therefore eliminating bright lights or reducing brightness of lights will help to manage cockroaches on the exterior.

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Asian Roach Gallery

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