Common Bed Bug (Nymph)

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: Nymphs range from 1.5mm to 4.5mm depending on their developmental stage (instar).

Common Bed Bug (Nymph)

Natural Habitat

Found in human dwellings, typically in cracks and crevices, bed frames, mattresses, and behind wallpaper in proximity to hosts.

Diet & Feeding

Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans.

Behavior Patterns

Nocturnal photophobes that emerge at night to feed. They undergo incomplete metamorphosis (hemimetabolous) consisting of five nymphal stages, each requiring a blood meal to molt.

Risks & Benefits

Risks include skin rashes, psychological distress, and allergic reactions to bites. While they do not efficiently transmit diseases, theirpresence is a significant nuisance and infestation requires professional pest control.

Identified on: 1/11/2026