Tibraca exigua Fernandes & Grazia 1998, sp.n.
Creators: name: Fernandes, José Antonio Marin
name: Grazia, Jocélia
Publisher: name: Zenodo
Year: 1998
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Pentatomidae
Tibraca
Tibraca exigua

description: Tíbraca exígua sp.n.
Figs 5,6, 12,14, 15, 20, 21,26, 27,29
Male. Very similar to T limbativentris but smaller in size. Body length from 9.0- 12.0. Length of head 2.1 -2.4; anteocular length 1.2- 1.4; width ofhead 1.9-2.2; width between eyes 1.1- 1.4; anteocular width 0.9- 1.0. Pronotal length 2.0-2.7; pronotal width 5.2-6.0. Scutellar length 3.3-4.4; basal width 3.2-3.9. Abdominal width 0.54-0.65. Pronotai lateral margins impunctated 01' rarely punctated at posterior half. Ostiolar ruga shorter than in the previous species, as long as or slightly larger than opening of scent gland, developed 1/6 through metapleural width. Legs red to dark red. Abdominal area belween trichobothria and lateral margin yellowish with sparse and castaneous punctures, occasionally absent. Basal processes of proctiger in a posteriorly directed horn-like projection (Fig. 5). Processus conjunctivae 1digitiform and dorsally curved at apex, in profile (Fig. 27). Other characters as described for genus.
Female. Similar to male. Duclus receplaculi, before vesicular area, conspicuously longer than in the previous species, exceeding ten times the length of this area; ductus equal in diameter before and after vesicular area (Fig. 29).
Type material. Holotype male: ARGENTINA, Entre Rios: Pronuntiamente, 1-1965, F.H. Walz, Museum Leiden. (RMNH). Paratypes: BRAZIL, Santa Catarina: 10invile, Coleção Diringshofen, 1female (UFRG); 1 female, # 060; 1 female, # 061. (MZSP). Corupá, Hansa Humboldt, A. Maller, Frank Johnson Donor Collection, I female, XI- 1919, Tibraca simulans H. Ruckes (not described), Tibraca ruckesi McDonald (not described); 1 male, XlI- 1944, Tibraca simulans H. Ruckes (not described), Tibraca I'I/ckesi McDonald (nol described); I female, X- 1948, Tibraca simulans H. Ruckes (not described), Tibraca ruckesi McDonald (not described) (AMNH). Rio Grande do Sul: Pelotas, I male, V- 1990, Schoens; I male, 10-VI-1990, M. N. Miranda; 1 male, VI-1990, Costa; 1 female, VI- 1990, Marques; 1 female, 28-IV- 1991, von Laer; I female, V- 1991, Zepka (UFRG); I male, IV- 1991, Monteiro; 1 female, VI- 1991, Marcolin; I male, 24-IV- 1993, Maguelly (MCNZ); 1 male, 17-V- 1991, Chapon (UFPL); I female, I1I- 1991, Oliveira; I male, 25-I1 I-1991, Dai Molin (MLPA); I male, 1lI- 1991, Silveira (AMNH); I male, 27-V- 1994, Zanusso (MZSP); I male, 20-11- 1991, Wetzel; Canguçu, I male, 8-V-19919, Moreira (DZUP); Capão do Leão, I male, 03-1-1991, Beskow (USNM). ARGENTINA, Cordoba: Almafuerte, La Cascada, 1female, XII- 1964, F.H. Walz; El Quebracho, I female, 1-1965, F. H. Walz (RMNH). Buenos Aires: Buenos Aires, Berisso, 04-XI- 1973, O. S. Flint (USNM). URUGUAY, I male and I female, Boucard, Naturhistoriska Riksmuseet Stockholm Loan # 744/9 1 and # 745/91, respectively (NHRS); Montevideo, Sayago, I female, 1942, Tibraca limbativenlris Pirán det.; Santiago Vázquez, I male, 5-XI-1961, C.S. Morey, Tibraca limbativentris Pirán det.; 1 male, 21 -IX- 1960, en caraguatá; 1 male, 15-X-1960, entre yuyos (UYIC).
description: Published as part of Fernandes, José Antonio Marin & Grazia, Jocélia, 1998, Revision of the genus Tibraca Stål (Heteroptera, Pentatomidae, Pentatominae), pp. 1049-1060 in Revista Brasileira de Zoologia 15 (4) on page 1057, DOI: 10.1590/s0101-81751998000400022, http://zenodo.org/record/14996827