Masked Hunter Nymph (Camouflaged Assassin Bug)

Scientific Name: Reduvius personatus

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

Size: Nymphs vary in size as they grow, typically reaching 10-15 mm (approx. 0.4-0.6 inches) before adulthood.

Masked Hunter Nymph (Camouflaged Assassin Bug)

Natural Habitat

Often found indoors in dusty corners, attics, and basements where they hunt other bugs. Outdoors, they live in wooded areas, under bark, or in leaf litter.

Diet & Feeding

Strictly carnivorous. They prey on household arthropods like bed bugs (their specific epithet 'personatus' means masked, hinting at their predatory stealth), earwigs, silverfish, and sowbugs.

Behavior Patterns

The nymphs have a unique behavior of covering themselves with dust, lint, sand, and debris to camouflage themselves from both prey and predators. This sticky coating makes them look like walking balls of dust or lint. They are ambush predators that move slowly until striking.

Risks & Benefits

Benefits: They act as natural pest control by eating other household pests (beneficial). Risks: They can inflict a very painful bite if handled or threatened, often described as more painful than a bee sting, though the bite is not medically dangerous or venomous to humans.

Identified on: 3/7/2026