Oriental Cockroach

Blatta orientalis

Appearance

Image of Oriental Cockroach (Blatta orientalis) | Rentokil Pest Control Ireland
  • 25 – 30 mm long.
  • Dark brown to black in colour.
  • The wings undeveloped in female and cover ¾ length of the abdomen in the male.
  • Runs rather than flies.

Lifecycle

  • Females deposit 16 eggs in an ootheca (egg case).
  • Hatch in 2 months.
  • Nymphs take 5 – 9 months to develop into adults.

Habits

  • Buildings. Can tolerate lower temperatures than other cockroaches so can also be found outdoors, on rubbish tips etc.
  • Nocturnal.
  • Omnivorous.