Piestinae

• Body elongate and depressed, abdomen parallel-sided.
• Antennae inserted under shelf-like corners of frons
• Tarsi 5-5-5

• 
  Piestus extimus
• 
  Siagonium punctatum
• 
  Siagonium punctatum, ventral head

• Habitat: many species under bark of decaying trees.
• Collection method: barking.
• Biology: some are saprophages or mycophages.

There are several genera in Piestinae:

• Hypotelus Erichson, 1839 ^{i c g}
• Parasiagonum Steel, 1950 ^g
• Piestoneus Sharp, 1889 ^g
• Piestus Gravenhorst, 1806 ^{i c g b}
• Siagonium Kirby & Spence, 1815 ^{i c g b}

Data sources: i = ITIS,^[2] c = Catalogue of Life,^[3] g = GBIF,^[4] b = Bugguide.net^[5]

• Newton, A. F., Jr., M. K. Thayer, J. S. Ashe, and D. S. Chandler. 2001. 22. Staphylinidae Latreille, 1802. p. 272–418. In: R. H. Arnett, Jr., and M. C. Thomas (eds.). American beetles, Volume 1. CRC Press; Boca Raton, Florida. ix + 443 p.