Admestina is a genus of North American jumping spiders that was first described by George and Elizabeth Peckham in 1888.

[1] Admestina are small and flat, typically measuring less than 4.5 mm in length.

[3] Admestina archboldi is found in the Southern United States, from Florida to Texas, generally between the 30th and 25th parallels.

Admestina wheeleri is found in the Northern United States, from Massachusetts to North Dakota, and in Ontario, Canada.

Females lay a small number of eggs (4 to 20) within a crevice in the bark of a tree.