Setapeacockia is a subgenus of the genus Anthrenus of the subfamily Megatominae within the family of skin beetles.

[1] The taxonomic name is a composite of words seta and subgenus name Peacockia (referring to the shared unusual body characteristics).

[2] Species have antennae with 6 segments, parallel body shape, 2.3 - 2.7 mm in length (smaller than Peacockia).

Dorsal surface is covered with scales.

In females, only the 5th abdominal sternite is covered in setae (in males, visible abdominal sternites I-V are covered with scales).