Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas Author Boyd, Olivia F. Author Erwin, Terry L. text ZooKeys 2016 626 87 123 http://dx.doi.org/10.3897/zookeys.626.10033 journal article http://dx.doi.org/10.3897/zookeys.626.10033 1313-2970-626-87 3DE781B6D48B432B97846703EA6B280B Taxon classification Animalia Coleoptera Carabidae Genus Tachys Dejean, 1821 Type species. Tachys scutellaris Stephens, 1828. Diagnosis. Mentum bearing paired foveae; protibia with apicolateral notch; dorsal surface typically with isodiametric microsculpture; pronotum subquadrate; i8 not markedly diverted around Eo5-6 (Fig. 1B); ARG elongate, hooked anteriorly into or effaced laterad of Ed4 (Fig. 1D). Distribution. Typically halophilic ( Erwin et al. 2002 ), cosmopolitan.