title: New species of Exochus Gravenhorst and Trieces Townes (Hymenoptera, Ichneumonidae, Metopiinae) and first record of seven species from Brazil.
abstract: Exochus atlanticus sp. n., Melo & Penteado-Dias, and Trieces broadi sp. n., Melo & Penteado-Dias, are described and illustrated in Brazilian fauna. The genus Exochus and the species E. ablatus, E. izbus, T. azipas, T. riodinis, T. wardae, T. upermia and T. wascia, are recorded for the first time from Brazil. Diagnosis and distribution information for each species are provided.
authors.affiliation: Programa de Pós-Graduação em Ecologia e Recursos Naturais, Universidade Federal de São Carlos. Rod. Washington Luiz, Km 235, CP 676, CEP 13565-905, São Carlos, SP, Brazil.; Email: ivyfrizo@yahoo.com.br.
authors.forename: Ivy Frizo
authors.initials: IF
authors.lastname: De Melo
authors.affiliation: Laboratório de Ecologia de Artrópodes e Pequenos Vertebrados, Embrapa Meio-Norte, UEP Parnaíba, BR 343, Km 35, CP 341, CEP 64200-970, Parnaíba, PI, Brazil.; Email: carolina.araujo@embrapa.br.
authors.forename: Carolina Rodrigues
authors.initials: CR
authors.lastname: Araújo
authors.affiliation: Universidade Federal de São Carlos. Departamento de Ecologia e Biologia Evolutiva. Rodovia Washington Luiz, Km 235, CP 676, CEP 13565-905, São Carlos, SP, Brazil.; Email: angelica@ufscar.br.
authors.forename: Angélica Maria
authors.initials: AM
authors.lastname: Penteado-Dias
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D001938:Brazil; D017753:Ecosystem; D005260:Female; D008297:Male; D009929:Organ Size; D014863:Wasps / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development