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German Cockroach

Identification

Behaviour

Signs of Infestation

Health Risks

Additional Information

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Identification

Physical description:

- - Brownish-yellow in colour, 13-16 mm long.
  - Flattened body with two long antennae.
  - Two dark stripes running down the back of the thorax.

Nymphs (young cockroaches) are smaller and wingless,
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But resemble adults.

Habitat:

- - Prefer warm, humid environments.
  - Found in kitchens, bathrooms, laundry rooms, and other areas with food and water sources.
  - Often hide behind appliances, under cabinets, and in cracks and crevices.

Feeding habits:

- Omnivorous, feeding on a variety of food sources including:
  - Crumbs, food debris, and garbage.
  - Pet food.
  - Dead insects and other organic matter.

Behaviour

Life cycle:

- Females lay egg capsules (oothecae) containing 30-40 eggs.
- Nymphs hatch and go through several molts before reaching adulthood.
- The entire life cycle takes about 60-100 days.

Activity patterns:

- Primarily nocturnal, coming out at night to forage for food and water.
- May be seen during the day if the infestation is severe.

Signs of Infestation

Visual signs:

- Seeing live cockroaches, especially at night.
- Finding dead cockroaches.
- Observing dark droppings resembling coffee grounds or black pepper.
- Egg capsules (oothecae) in hidden areas.
- Smear marks left by cockroaches on surfaces.

Behavioural signs:

- Musty or oily odour, particularly in kitchens and bathrooms.
- Food and utensils appear greasy or contaminated.

Health Risks

Potential health hazards:

- Can trigger allergies and asthma.
- May carry and spread bacteria, viruses, and parasites.
- Contaminate food and surfaces with allergens and pathogens.
- Can trigger psychological distress due to their presence.

Additional Information

German cockroaches are one of the most common and troublesome cockroach species.
They reproduce quickly and can become difficult to control if left untreated.
It’s crucial to address German cockroach infestations promptly to prevent health risks and property damage.

With over 50 years of trusted service, we bring expert pest management islandwide.

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