Pest Guides

Oriental Cockroach

Blatta orientalis


Image of Oriental Cockroach (Blatta orientalis) | Rentokil Pest Control Uganda
  • The Oriental cockroach is 25 – 30 mm in length.
  • It is dark brown to black in colour.
  • The wings are undeveloped in the female Oriental cockroach, and cover ¾ of the length of the abdomen in the male.
  • The Oriental cockroach runs rather than flies.


  • Female Oriental cockroaches deposit 16 eggs in an ootheca (egg case).
  • Eggs hatch within 2 months, and develop into nymphs.
  • Nymphs develop into adults in 5 – 9 months.


  • Oriental cockroaches are mostly found in buildings. These cockroaches can tolerate lower temperatures better than other cockroaches They can also be found outdoors, on rubbish tips etc.
  • Oriental cockroaches are nocturnal; meaning they are active at night.
  • These cockroaches are omnivorous, and will eat anything from food lying around in kitchens, to waste, books and leather.