Masked Hunter Nymph (Dust Bug)

Scientific Name: Reduvius personatus

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

Size: Nymphs are typically 5 to 13 mm (0.2 to 0.5 inches) long, depending on their developmental stage.

Masked Hunter Nymph (Dust Bug)

Natural Habitat

Found in undisturbed dusty corners of homes, attics, basements, and sheds, or outdoors in hollow trees and under eaves.

Diet & Feeding

They are generalist predators and eat other small arthropods found indoors, including bed bugs, silverfish, carpet beetles, and spiders.

Behavior Patterns

The nymphs have sticky bodies that accumulate dust, lint, and debris as camouflage (

Risks & Benefits

Benefits: It is a beneficial predator that helps control household pest populations like bed bugs. Risks: While generally harmless to humans, they can inflict a painful bite if mishandled or threatened, similar to a bee sting.

Identified on: 2/19/2026