A new hypogean ground beetle species, Trechus tatai n. sp. from the Montejunto karstic massif in Portugal is described. Morphological diagnostic characters of the imago are provided and the new species is included in the Trechus fulvus-group. Comments on the biogeography of hypogean carabid beetles in karstic areas of Portugal and an illustrated key to the males of the T. fulvus-group in the Iberian Peninsula are also included.
Reboleira A.S.P.S., Ortuño V.M., Gonçalves F. & Oromí P. (2010). A hypogean new species of Trechus Clairville, 1806 (Coleoptera, Carabidae) from Portugal and considerations about the T. fulvus species group. Zootaxa, 2689, 15–26.