
The Oriental cockroach is known as a stored-product pest that can also cause health problems in humans. It goes by many names, including common cockroach, kitchen cockroach, and baker's cockroach. The Oriental cockroach is strictly nocturnal and spends most of the day hiding. Despite an infestation, sightings are very rare; a large population could develop without anyone noticing.
Oriental cockroach (Blatta Orientalis)
- Kingdom: Animals (Animalia)
- Phylum: Chordates (Chordata)
- Class: Insects (Insecta)
- Order: Cockroaches (Blattodea)
- Family: (Blattidae)
- Genus: (Blatta)
- Species: Oriental cockroach (Blatta orientalis)
Size:
- Male head-body length: ~25 mm
- Female head-body length: ~32mm
Look:
- Color: Evenly dyed dark brown
Life cycle:
- Reproduction: After 10-18 months, an Oriental cockroach is fully developed and ready to produce offspring.
- Ootheca development time: 42 - 70 days
- Egg laying: ~15 nymphs per ootheca (egg case), 8 oothecae per cockroach lifetime
- Lifespan: 150 days
Habitat:
- The Oriental cockroach prefers high temperatures but can also survive temperatures as low as -10°C. They are most often found behind furniture, in cavities, or in basements, near heating pipes and hot water lines. The Oriental cockroach is a common infestation in restaurants, kitchens, hotels, and hospitals. It produces three different pheromones:
- Sex pheromone: In females ready to mate, for reproduction.
- Aggregation pheromone: Present in the feces of the Oriental cockroach for signaling shared hiding places.
- Dispersion pheromone: antagonist of the aggregation pheromone, leads to the spread of a population if there are too many individuals.
Nutrition:
- Omnivore: This makes the Oriental cockroach an adaptable pest.
Behave:
- Social: Lives in groups.
- Nocturnal: The Oriental cockroach is strictly nocturnal and spends most of the day in hiding. Despite an infestation, sightings are very rare; a large population could develop without anyone noticing.
Driven:
- Damage: Can contaminate supplies and living spaces through the transport of bacteria, germs, fungi, and viruses.
- Allergy: The Oriental cockroach can be a cause of allergies such as asthma and hay fever in infants, children, and adolescents. Children who grow up in a contaminated environment are more likely to develop asthma or hay fever.
Disease transmission:
- It carries various bacteria, fungi, protozoa, and viruses. Furthermore, the likelihood of children developing allergies increases if they grow up in a contaminated area.
Food:
- Store food and drinks safely and check storage rooms regularly.
- Dispose of food scraps and waste in sealable containers.
Hygiene:
- Do not leave open garbage cans or bags.
- Regular cleaning of surfaces and rooms.
House and garden:
- Set up monitoring.
- Consult a pest control expert for comprehensive advice.
- Seal cracks and crevices leading to the sewer system.
Behave:
- Use traps and baits only in consultation with pest control professionals. Do not handle the animals directly without protective measures.
Garden maintenance:
- Regularly collect fallen fruit in the garden.
- Store compost heaps far away from the building.
