The Cimicidae Family

The Cimicidae family is a small group of wingless insects widely distributed across the world. These parasitic insects are sometimes referred to as “bed bugs” by humans.

What They Look Like

The Cimicidae family is made up of four genera: Cimex, Oeciacus, Haematosiphon, and Leptocimex. These insects range in size from 2mm to 6mm in length. They are reddish-brown in colour and have slender elytra – folded otherwise as wings – with long, thin antennae and cylindrical abdomens.

Their Habitat

The Cimicidae family is typically found in humid tropical regions or near bodies of water. They are found mainly in houses, particularly in mattresses where they feed on the body fluids of sleeping people.


The Cimicidae family is nocturnal and spends most of its time in dark, humid places. The female can lay hundreds of eggs over her lifetime, and the larvae can live up to 4 months without food before reaching adulthood.

Diet and Feeding Habits

The Cimicidae family feeds primarily on the body fluids of living creatures, including humans. They can survive for weeks without food, thanks to their ability to go into a state of hibernation.

Potential Risks

Though the Cimicidae family is typically considered a harmless pest, it can be a source of skin irritation or allergic reactions in humans. In some cases, the bite can cause redness and itchiness, while in more severe cases, swelling and hives may occur.


To prevent the spread of Cimicidae infestations, it is important to take steps such as:

  • Keeping your house clean and clutter-free
  • Making sure that mattresses and bedding are regularly washed
  • Checking for signs of infestation in dark, humid places
  • Using insecticides to control infestations

While Cimicidae can be a nuisance, they can usually be controlled with proper housekeeping and pest-control strategies. It is important to be aware of what they look like, how they behave, and the potential risks they pose.

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