Tachyina Motschulsky, 1862, 1882

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 436

Subtribe Tachyina Motschulsky, 1862

Tachyaires Motschulsky, 1862b: 24. Type genus: Tachys Dejean, 1821. Note. The stem of Tachys is Tachy - (Madge 1989: 468).

Micratopini Casey, 1914: 42. Type genus: Micratopus Casey, 1914.

Limnastini Jeannel, 1937a: 245. Type genus: Limnastis Ganglbauer, 1891 (unjustified emendation of Lymnastis Motschulsky, 1862, not in prevailing usage) (= Lymnastis Motschulsky, 1862).

Diversity.

Worldwide, with about 790 species (Lorenz 2005: 207-215). The Northern Hemisphere is represented by about 230 species (roughly 29% of the world fauna) and North America by 73 species (9.2% of the world fauna). Two species are adventive ( Porotachys bisulcatus and Elaphropus parvulus ) in the Nearctic Region. No species are Holarctic.

Note.

The genitive form of tachys is tachéos (see Alonso-Zarazaga 2007) and the family-group name based on the genus Tachys should be spelled Tacheina . However the spelling Tachyina being in prevailing usage, it is maintained (ICZN 1999: Article 29.5).