Revision of the genus Psorus Bergroth, 1914 (Hemiptera: Pentatomidae: Discocephalinae) Author Fernandes, José Antônio M. Departamento de Biologia, Universidade Federal do Pará (UFPA), Rua Augusto Correa nº 1, 66075 - 110, Belém, Pará, Brazil joseamf@ufpa.br Author Grazia, Jocelia Departamento de Zoologia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, 91501 - 970, Porto Alegre, Rio Grande do Sul, Brazil Jocelia@ufrgs.br Author Lobo, Deise S. Departamento de Biologia, Universidade Federal do Pará (UFPA), Rua Augusto Correa nº 1, 66075 - 110, Belém, Pará, Brazil text Zootaxa 2008 2008-02-01 1696 48 56 journal article 50036 10.11646/zootaxa.1696.1.4 2b7bf0fd-aa99-4c08-8bba-51d4c4987913 1175-5326 180734 Psorus cassidiformis Bergroth, 1914 ( Figs. 1–3 , 14 ) Psorus cassidiformis Bergroth, 1914 : 425 . Measurements. Body length: 14.5–15.2; head length: 2.7–3.2; head width: 3.2–3.7; pronotum width: 8.7– 10.3; pronotum length: 2,8–3.2; abdominal width: 8.8–10.8. Male. Dorsal rim of pygophore with median third almost rectilinear. Median margins of posterolateral angles of pygophore almost rectilinear. Proctiger (segment X) as long as posterolateral angles of pygophore; apex of process of ventral wall obtusely rounded. Parameres hardly visible from dorsal side; in ventral view attaining middle of proctiger. Lateral margins of parameres almost rectilinear ( Figs. 1–2 ). Female ( Fig. 14 ). Posterior margins of gonocoxites 8 slightly angulate; folded areas along lateral margins of gonocoxites 8 and median margins of laterotergites 8 more conspicuous than in P. paraensis , not obscured by the gonocoxites 8 ( Fig. 3 ). Material examined . Male , no data ( AMNH ). TRINIDAD : Maraval , B. W. I., female , 9.X.1921 , W. Buthn, Lutz Collection 1961, Psorus cassidiformis Bergroth, Herbert Ruckes ( NMNH ). BRAZIL : Amazonas , Itamarati , Monte Calvário , 06° 07’ 29’’S , 68° 02’ 41’’W , male , 10–15.X.1999 , Cristina M. Buhrnheim & Tomáz L. Gualberto col., a luz mista de mercúrio ( UFRG ); Coari , Rio Urucu , Igarapé Marta-3, 4°50’0,73’’S , 65°02’37’’W , female , 14–25.VII.1993 , P. F. Bührnheim et al . col. ( CZPB ). PERU : Madre de Dios , Manu , Rio Manu , 250 m , Pakitza , 12°7’S , 70°58°W , 2 females , 9–3.IX.1988 , Waine N. Mathis ( NMNH ); Pucallos , Rio Ucayali ( 200 m ), female , I.1961 , Dirings ( MZSP ).