These tiny insects, 4 – 5mm long, shun the light. During the day, they hide in cracks, crevices, furniture, bedsteads, mattresses, behind wallpaper, skirting boards, etc. These harbourages are also their breeding places.
The male, female and young nymphs are all blood-suckers. They hide in cracks and crevices close to their sleeping hosts, such as in the bedroom. A sign of bedbug infestation is the unpleasant odour they emit. Another is the speckled appearance of their faecal deposits.
Bed bugs come out of their hiding places at night and bite humans, as well as other mammals like mice, rats or poultry. The bedbug takes between 3 to 15 minutes to engorge themselves with blood. The bite produces a hard swelling, whitish in colour and causes severe irritation. After feeding, they crawl back to their hiding places where they usually crowd together