PEST NAME : ORIENTAL / COMMON COCKROACH (Blatta orientalis L)
SIZE, SHAPE AND COLOUR : 17 to 30mm. Dark brown to black, very shiny and very flattened. Female has very reduced wing buds and the male wings are longer to almost the end of the abdomen. Long flexible antennae. Cannot fly but very fast running. Cannot climb smooth surfaces.
BIOLOGY : Oethecae produced 5 to 10 per female each containing 16/18 eggs. Incubation 48 to 80 days at 20oc to 25oc preferred temperature. Nymphal stages 7 to 10 to adult. Life span 60 to 250 days depending on temperature.
PREFERRED FOODS : Omnivorous feeding on any organic matter including human waste to soap, candles, paper etc., etc..
HABITAT : World wide in mainly heated buildings, drains, dustbins, cellars, boiler houses, ducting, lift shafts. Can squeeze into very small cracks and will exploit bad fitting coving and door jams etc.
For more types of Cockroaches see below:
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