Assassin bug nymph (likely a masked hunter)

Indoors in dry, sheltered spaces such as attics, wall voids, and storage areas; also occurs outdoors beneath bark and debris.

Predatory; feeds on bed bugs and other small arthropods, piercing prey and sucking out its contents.

The pictured insect appears to be a nymph, possibly carrying dust or debris for camouflage. It is generally nocturnal and develops through several nymphal stages before becoming an adult.

Can bite if handled, causing painful, localized irritation; it is not a bed bug and does not feed on people. It may help control household pests.