Diceraeus furcatus

Diceraeus furcatus (Fabricius, 1775) (Figs 50–52) Cimex furcatus Fabricius, 1775: 705. Dichelops furcatus: Berg, 1878: 308; Costa & Link, 1974: 398–399. Dichelops (Neodichelops) furcatus: Grazia, 1978: 68. Dichelops (Diceraeus) furcatus: Grazia & Schwertner, 2008: 234; Bianchi et al. 2019. Diceraeus furcatus: Barão et al. 2020: 10 (stat. rev. by Barão et al. 2020) Material studied. Bagé: 3♀, Arroio S [an]ta Maria Chicó, 30.XI.2006, Schwertner & Cohen leg. (UFRG). Derrubadas: 2♂, 1♀, Parque Estadual do Turvo, 26–30.IX.1983, S. L. Bonatto leg. (UFRG). Guaíba: 1♀, 01.X.1998, Del Vecchio, M.C. leg., “em Joá” (UFRG). Passo Fundo: 02.III.1974, A. R. Panizzi leg. (UFRG). Porto Alegre: 1♀, Ponta Grossa, 06.III.1974, A. R. Panizzi leg. (UFRG). Santa Maria: 1♂, 06.III.1990, D. Link leg., “Picão Preto” (UFRG). São Sepé: 2♀, 13.XII.1891, E. C. Costa leg., “Feijoeiro”, J. Grazia det. 1986 (UFRG). Diagnostic features. Body light castaneous, ventral surface usually lighter. Mandibular plates longer than clypeus and acute apically (Figs 50–51). Humeral angles variable in development, from weakly produced to forming a spine (Fig. 51). Outline of anterolateral margins of pronotum with dark punctures. Body length: 10.00–12.00 mm (Grazia 1978; Garbelotto & Campos 2014). Recorded host plants: Barley; canola (Marsaro Jr. et al. 2017; Bianchi et al. 2019), maize (Roza-Gomes et al. 2011), oat (Pereira & Salvadori 2020), rye (Pereira & Salvadori 2020), soybean (Costa & Link 1974; Lopes et al. 1974; Grazia 1978; Link & Grazia 1987; Panizzi et al. 2015) and wheat (Panizzi et al. 2015). Distribution in Rio Grande do Sul. Bagé, Bom Jesus, Butiá, Carazinho, Caxias do Sul, Derrubadas, Farroupilha, Flores da Cunha, Gramado, Guaíba, Imbé, Lajeado, Marau, Marcelino Ramos, Nova Prata, Osório, Passo Fundo, Pelotas, Porto Alegre, Quaraí, Rio Pardo, Santa Maria, Santo Augusto, São Sepé, Torres, Vacaria and Viamão (Fig. 52). New records. Bagé and Derrubadas. Comments. Both adults and nymphs cause damage to the base of the plants, through the leaf sheath, reaching the inner leaves.
Published as part of Barros, Lurdiana D., Paim, Marcelo R., Krein, Verônica, Carabajal, Victor, Brandão, Marcela N., Bernardes, Paula De O. & Lindner, Mariana F., 2021, Illustrated guide to Pentatominae (Hemiptera: Pentatomidae) species associated with the four main grain crops in Rio Grande do Sul state, Brazil, pp. 430-478 in Zootaxa 4958 (1) on pages 449-450, DOI: 10.11646/zootaxa.4958.1.27, http://zenodo.org/record/4692176
{"references":["Fabricius, J. C. (1775) Systema Entomologiae, sistens Insectorum classes, ordines, genera, species, adjectis synonymis, locis, descriptionibus, observationibus. Korte, Flensburg et Lipsiae, 832 pp. https: // doi. org / 10.5962 / bhl. title. 36510","Berg, C. (1878) Hemiptera Argentina enumeravit speciesque novas descripsit. Anales de la Sociedad Cientifica Argentina, 6, 23 - 311. https: // doi. org / 10.5962 / bhl. title. 36493","Costa, E. C. & Link, D. (1974) Incidencia de percevejos em soja. Revista do Centro de Ciencias Rurais, 4 (4), 397 - 400.","Grazia, J. (1978) Revisao do genero Dichelops Spinola, 1837 (Heteroptera, Pentatomidae, Pentatomini). Iheringia, Serie Zoologia, 53, 3 - 119.","Grazia, J. & Schwertner, C. F. (2008) Pentatomidae. In: Roig-Junent, S., Claps, L. & Debandi, G. (Eds.), Biodiversidad de Artropodos Argentinos. Vol. 2. Sociedad Entomologica Argentina, Mendoza, pp. 223 - 234.","Bianchi, F. M., Marsaro Jr., A. L., Grazia, J., Pereira, P. R. V. S. & Panizzi, A. R. (2019) Diversity of Stink Bugs (Pentatomidae) Associated with Canola: Looking for Potential Pests. Neotropical Entomology, 48, 219 - 224. https: // doi. org / 10.1007 / s 13744 - 018 - 0642 - 3","Barao, K. R., Ferrari, A. & Grazia, J. (2020) Phylogenetic analysis of the Euschistus group (Hemiptera: Pentatomidae) suggests polyphyly of Dichelops Spinola, 1837 with the erection of Diceraeus Dallas, 1851, stat. rev. Austral Entomology, 1 - 14. [early view] https: // doi. org / 10.1111 / aen. 12489","Garbelotto, T. A. & Campos, L. A. (2014) Pentatominae do Sul de Santa Catarina. Sociedade Brasileira de Zoologia, Curitiba, 80 pp. https: // doi. org / 10.7476 / 9788598203089.0001","Roza-Gomes, M. F., Salvadori, J. R., Pereira, P. R. V. S. & Panizzi, A. R. (2011) Injurias de quatro especies de percevejos pentatomideos em plantulas de milho. Ciencia Rural, 41 (7), 1115 - 1119. https: // doi. org / 10.1590 / S 0103 - 84782011005000081","Pereira, P. R. V. S. & Salvadori, J. R. (2020) Arvore do conhecimento - Centeio, Insetos. AGEITEC - Agencia Embrapa de Informacao Tecnologica. Available from: http: // www. agencia. cnptia. embrapa. br / gestor / centeio / arvore / CONT 000 fz 2 zy 82 a 02 wx 5 ok 0 ejlyhd 0 qlyuvr. html (accessed 29 March 2020)","Lopes, O. J., Link, D. & Basso, L. V. (1974) Pentatomideos de Santa Maria - lista preliminar de plantas hospedeiras. Revista Centro de Ciencias Rurais, 4 (4), 317 - 322.","Link, D. & Grazia, J. (1987) Pentatomideos da regiao central do Rio Grande do Sul (Heteroptera). Anais da Sociedade Entomologica do Brasil, 16 (1), 115 - 129.","Panizzi, A. R., Agostinetto, A., Lucini, T., Smaniotto, L. F. & Pereira, P. R. V. S. (2015) Manejo Integrado dos Percevejos Barriga- Verde, Dichelops spp. em Trigo. Embrapa Trigo, Passo Fundo, 36 pp."]}