Cockroaches
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German cockroach: (know as a steam fly). Primarily nocturnal and a pest of warm, humid conditions. Found in heated buildings prefer narrow harbourages close to the food water source. They live close to the surface, usually found in areas such as kitchens and boiler rooms. The reason that they are successful breeders is they carry the egg case (ootheca) until 1-2 days within hatching. Each ootheca produces 30-40 eggs and they can produce 8 ootheca a year. Young adults (nymphs) take an average of 3 months to reach maturity. German cockroaches can climb smooth surfaces and known to carry and spread various human disease organism. They feed on almost anything such as soap, glue etc. When treating German cockroaches harbourage areas at some height above ground level should be treated in view of their climbing ability. High hygiene standards should be maintained around food and refuse areas. |
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Oriental cockroach (black beetle): |

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