title: Nine newTrechisibusspecies from Peru and Argentina (Coleoptera: Carabidae: Trechinae).
abstract: Nine new Trechisibus species are described, four from Central Peru (T. huascarani n. sp. and T. recuayi n. sp. from Dept. Ancash, T. curtii n. sp. and T. lemairei n. sp. from Dept. Huanuco) and five from Patagonian Argentina, Province of Rio Negro (T. brevis n. sp., T. longipenis n. sp., T. parvulus n. sp., T. sciakyi n. sp., T. striatus n. sp.).
authors.affiliation: CREA Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria - Unità di Ricerca per le Produzioni Legnose Fuori Foresta, Strada Frassineto 35, I-15033 Casale Monferrato, Italy.. gianni.allegro@crea.gov.it.
authors.forename: Gianni
authors.initials: G
authors.lastname: Allegro
authors.forename: Pier Mauro
authors.initials: PM
authors.lastname: Giachino
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D001118:Argentina; D049628:Body Size; D001517:Coleoptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D017753:Ecosystem; D005260:Female; D008297:Male; D009929:Organ Size; D010568:Peru
keywords: Coleoptera, taxonomy, neotropical fauna, distribution, habitat, biodiversity