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German Cockroach

High

Blattella germanica

Overview

The German cockroach is one of the most common and problematic household pests worldwide. It thrives in warm, humid environments.

Health risks

Carries bacteria including Salmonella and E. coli. Can trigger asthma and allergies.

Signs of infestation

  • ✓Droppings like black pepper
  • ✓Egg cases (oothecae)
  • ✓Musty odour
  • ✓Live cockroaches at night

Prevention

  • ✓Keep food sealed
  • ✓Fix leaking pipes
  • ✓Clean under appliances
  • ✓Seal gaps around pipes

Common regions

📍 Worldwide📍 Common in Portugal📍 Very common in Angola

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