Masked Hunter Nymph (Dust Bug)

Scientific Name: Reduvius personatus

Order & Family: Order: Hemiptera, Family: Reduviidae (Assassin Bugs)

Size: Nymphs vary based on instar stage but typically range from 5 to 15 mm; adults can reach 17-22 mm.

Masked Hunter Nymph (Dust Bug)

Natural Habitat

Found indoors in dusty corners, attics, and basements, as well as outdoors in wooded areas and hollow trees.

Diet & Feeding

Carnivorous predator that feeds on bed bugs, silverfish, spiders, flies, and other small arthropods.

Behavior Patterns

The nymphs secrete a sticky substance that causes dust and debris to adhere to their bodies, creating camouflage to ambush prey. They are nocturnal hunters.

Risks & Benefits

Generally beneficial as they eat household pests like bed bugs and termites. However, they can inflict a painful bite if handled or threatened, similar to a bee sting, though it is not medically dangerous.

Identified on: 2/25/2026