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 10.11646/zootaxa.1696.1.4 2b7bf0fd-aa99-4c08-8bba-51d4c4987913 1175-5326 180734 Psorus paraensis sp. nov. ( Figs. 4–11 ) Etymology : the species is named for the type locality. Type-locality: Brazil : Pará, Belém. Holotype male with the following labels: a) BRAZIL , Pará , 5 km East of Belém , 22.VIII.1973 b) R. T. Schuh ( MPEG ) . Paratypes : 2 females and 2 males , same data as holotype ( AMNH , UFRG ) ; Belém , female , 16.I.1963 , Pirelli , col. Duret 788/93 ( MNHN ) . Description . Measurements. Body length: 13.0–15.2; head length: 2.8–3.7; head width: 3.2–3.7; pronotum width: 8.5–9.5; pronotum length: 2.7–3.2; abdominal width: 8.8–10.5. Male. Dorsal rim of pygophore with median third slightly convex. Median margins of posterolateral angles of pygophore conspicuously angulated before apex. Proctiger (segment X) a little shorter than posterolateral angles of pygophore; apex of process of ventral wall truncate. Parameres more visible from dorsal side; in ventral view surpassing middle of proctiger ( Figs. 4–5 ). Lateral margin of parameres indented ( Fig. 7 ). Phallus: phallotheca with three times and a half the length of vesica ( Figs. 8–10 ) Female. Posterior margins of gonocoxites 8 uniformly rounded. Folded areas along lateral margins of gonocoxites 8 and median margins of laterotergites 8 covered by gonocoxites 8 ( Fig. 6 ). Basal half of pars intermedialis with twice diameter of distal half. Diameter of ductus receptaculi before and after vesicular area almost the same (Fig. 11). Distribution. Brazil: Pará State.