Belostoma discretum Montandon, 1903

Almeida, Thaís Melo de, Stefanello, Fabiano & Hamada, Neusa, 2019, Belostomatidae (Heteroptera: Nepomorpha) held in the Invertebrate Collection of the Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil: inventory and new distributional records, Papéis Avulsos de Zoologia 59, pp. 1-23 : 11-14

Belostoma discretum Montandon, 1903

( Figs. 2C , 7A )

Known distribution: ARGENTINA: Chaco ( De Carlo, 1938), Corrientes ( Montandon, 1903b), Entre Rios ( De Carlo, 1930), Santa Fé ( Lauck, 1963). BOLIVIA: Beni ( Lauck, 1963), Reyes ( Lauck, 1963). BRAZIL: Acre ( Ribeiro, 2005), Amazonas ( De Carlo, 1938), Goiás ( Menke & Lauck, 1962), Mato Grosso ( De Carlo, 1930), Mato Grosso do Sul ( Ribeiro, 2005), Pará ( Nieser, 1975), Rio de Janeiro ( Ribeiro, 2005), Rondônia ( Ribeiro, 2005), São Paulo ( Ribeiro, 2007), Tocantins ( Ribeiro et al., 2018). PARAGUAY: unknow Departament ( Montandon, 1903b). PERU: Amazonas ( Lauck, 1963), Junín ( Lauck, 1963), Loreto ( Lauck, 1963), Marcapata ( Ribeiro, 2007), Pucallpa ( Lauck, 1963), Trapiche river ( Lauck, 1963), Ucayali river ( Lauck, 1963).

Material examined: 1male,pinned, BRAZIL, Amazonas , 06.X.1977, B.C. Ratcliffe coll., 1998, 0021011, J. R. I. Ribeiro det. ; 1 male, pinned, 12.VIII.1977, B.C. Ratcliffe coll., 1998, 0020930, J. R. I. Ribeiro det. ; 1 male, pinned, Amanã lake , 17.IX.1979, R. Best coll., 0020992, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Amanã lake , 10.IX.1979, R. Best coll., J. R. I. Ribeiro, 1998 det .; 2 males, pinned, Nhamundá river , 01°35’11”S 57°37’32”W, light trap, 17-20. V.2008, J.A. Rafael et al. colls., T. M. Almeida, 2017 det .; 1 male, pinned, ZF-3 Reserve , 19.II.1988, A. V. V. Silva coll., 1202, 0020913, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Purus river , 24.X.1979, J.C. Campbell coll., 0021011, J. R. I. Ribeiro,1998 det .; 1 female, pinned, ZF-3 Reserve , 19. IV.1988, A. V. V. Silva coll., 0020912, T. M. Almeida, 2013 det .; 1 male and 3 females, ethyl alcohol 70%, Grande lake, near Purus river, 30-31.XI.1986, F. Peralta coll., 1860, T. M. Almeida, 2013 det .; 1 male, ethyl alcohol 70%, Albano lake, near Amazonas river , 02°24’51.1”S 57°29’59.8”W, A18L, 24. IX.2003, P. de Marco & N. Ferreira-Jr., V. P. Alecrim det. ; 1 male, pinned, Urucuri-Codajás municipalities, XII.1964, E. Faustino coll., 3013, 0021044, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Urucuri-Codajás municipalities, XII.1965, E. Faustino coll., 0021048, 2552, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Urucuri-Codajás municipalities, XII.1964, E. Faustino coll., 002552, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Careiro Castanho municipality, Castanho lake , 02-18. VI.1976, J.M. Santos coll., 3013, 0021044, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Urucuri-Codajás municipalities, 19.X.1964, E. Faustino coll., 0021054, 2552, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Urucuri-Codajás municipalities, XII.1964, E. Faustino coll., 002615, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Solimões river , XII.1963, E. Faustino coll., 3013, 0021044, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Solimões river , 20.III.1979, A.M. Penny coll., J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Solimões river , 04.XII.1962, several collectors, 0021055, 2482, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Solimões river , 16. VI.1977, B.C. Ratcliffe coll., 0021008, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Solimões river , 16. VI.1977, B.C. Ratcliffe coll., 0021001, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Anorí municipality, 03°50’33”S 61°39’48”W, 19. IX.2006, F.F. Xavier Fº coll., T. M. Almeida, 2017 det .; 1 female, pinned, near Amaturá municipality, Amaturá stream, R.S., 18.IX.1961, E. Faustino coll., 2298, 0020928, T. M. Almeida,2013 det .; 1 male,pinned, Beruri municipality, Purus river , mixed light trap, 30. IX- 09.X.2002, F.F. Xavier Fº & U.C. Barbosa colls., T. M. Almeida, 2013 det .; 1 male, ethyl alcohol 70%, Caapiranga municipality, Mureru lake, near Amazonas river , A23L, 02.X.2003, P. de Marco & N. Ferreira-Jr. colls., V. P. Alecrim det. ; 1 male and 1 female, ethyl alcohol 70%, Caapiranga municipality, Mureru lake, near Amazonas river , A23L, 02.X.2003, P. de Marco & N. Ferreira-Jr. colls., V. P. Alecrim det. ; 1 female, ethyl alcohol 70%, Caapiranga municipality, Mureru lake, near Amazonas River , A23L, 02.X.2003, P. de Marco & N. Ferreira-Jr.colls., V. P. Alecrim det. ; 1 male,pinned, Carauari municipality, 04.II.1988, 0029915, 045, M.F. Vieira & J. R. I. Ribeiro,1998 det .; 4 males and 4females,pinned, Carauari municipality, 05°00’00”S 67°10’03”W, mixed light trap, VII.2005, A. Henriques & F.F. Xavier Fº colls., J. R. I. Ribeiro, 1998 det .; 1 male and 1 female, ethyl alcohol 70%, Careiro da Várzea municipality, Purupuru lake , km 35, BR 319 , aquatic insect net, 08.VIII.2012, N. Hamada, J.O. Silva, N. Zampiva & N. Hidalgo colls., T. M. Almeida, 2013 det .; 2 males and 8 females, ethyl alcohol 70%, Careiro da Várzea municipality, Purupuru lake , 08.VIII.2012, N. Hamada, J.O. Silva, N. Zampiva & N. Hidalgo colls., T. M. Almeida, 2013 det .; 1 female, pinned, Careiro da Várzea municipality, Careiro island , 29.IX.1959, Sioli & Sattler colls., 0020895, H.H, Weber, 1966 det .; 1 male, pinned, Careiro da Várzea municipality, 14.III.1961, E.J. Fittkau coll., 126, 0020899, H.H. Weber, 1966 det .; 1 female, pinned, Careiro Castanho municipality, 03°50’42”S 60°26’03”W, canopy light trap, 21:00-00:00 h, 04-05. XI.2010, J.A.Rafael, D.M.Takiya,F.F. Xavier Fº, M.J. Holanda & D.M.M. Mendes colls., T.M. Almeida, 2018 det .; 1 female, pinned, Careiro da Várzea municipality, 03°50’42”S 60°26’03”W, canopy light trap, 18:00-21:00 h, 04-05. XI.2010, J.A. Rafael, D.M. Takiya,F.F. Xavier Fº, M.J. Holanda & D.M.M. Mendes colls., T. M. Almeida, 2018 det .; 1 female, pinned, Careiro da Várzea municipality, BR 319 , km 180, 04°16’28”S 60°50’45”W, 05.XI.2010, mobile light trap, 21:00-00:00 h, J.A. Rafael, D.M. Takiya, F.F. Xavier Fº, M.J. Holanda & D.M.M. Mendes colls., T. M. Almeida, 2018 det .; 1 male, pinned, Coari municipality, 20.VIII.1979, Mag. Nisson & V. Py-Daniel colls., 0020994, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Coari municipality, 20.VIII.1979, Mag. Nisson & V. Py-Daniel colls., 0020994, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Fonte Boa municipality, 02°32’27”S 66°04’08”W, light trap, 23.IX.2005, J.A. Rafael & F.F. Xavier Fº colls., T. M. Almeida,2013 det .; 1 male,pinned, Iranduba municipality, Marchantaria island , 26.III.1976, Epujino coll., J. R. I. Ribeiro, 1998 det .; 3 males and 1 female, ethyl alcohol 70%, Iranduba municipality, Marchantaria island , 21.VIII.2012, T. M. Almeida, G.A. Gusmão, D. Colpani, G.P.S. Dantas colls., T. M. Almeida, 2013 det .; 1 male and 1 female, ethyl alcohol 80%, Iranduba municipality, Marchantaria island , aquatic insect net, 21.VIII.2012, T. M. Almeida, G.A. Gusmão, D. Colpani & G.P.S. Dantas colls., T. M. Almeida, 2013 det .; 4 males, ethyl alcohol 70%, Iranduba municipality, Manoel Urbano highway, AM 070 , km 08, 23.VIII.2012. G.A. Gusmão et al. colls., T. M. Almeida, 2013 det .; 1 female, pinned, Iranduba municipality, Catalão lake , 03°15’S 59°54’W, light trap, 03-07.XII.2001, A.M.O. Pes, C.A. Azevedo, N. Hamada & J.L. Nessimian colls., T. M. Almeida, 2013 det .; 26 males and 11 females, ethyl alcohol 80%, Iranduba municipality, Manoel Urbano highway, km 07, Janauari lake , km 4, 03°12’13.8”S 60°08’02.2”W, 12.XII.2012, T. M. Almeida, G.P.S. Dantas, G.A. Gusmão, D. Colpani & J.S. Oliveira colls., T. M. Almeida, 2013 det .; 1 female, pinned, Iranduba municipality, Marchantaria island , 26.III.1976, I.S. Gorayeb coll., 0020927, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Itacoatiara municipality, PoxTE Mamous AMD, Urubu river, AM 010 , km 247, 18-19.XI.1990, C.S. Motta, F.A. Peralta, Z. R. Teles colls., 0021013, J. R. I. Ribeiro, 1998 det .; 3 males, pinned, Iranduba municipality, Urubu river , AM 010 , km 247, 18-19.XI.1990, C.S. Motta, F.A. Peralta, B. R. Teles & R. Andreazze colls., 0021020, T. M. Almeida, 2013 det .; 1 male, pinned, Iranduba municipality, Aruanã farm, AM 010 km 215, light trap, 22-23.VII.1990, C.S. Motta, F.A. Peralta, N. Hamada & Andreazze colls., 0021015, T. M. Almeida, 2013 det .; 1 male, pinned, Iranduba municipality, 22-23.VIII.1990, C.S. Motta, F.A. Peralta, B. Ronchi Teles colls., 0021012, T.M. Almeida, 2013 det .; 1 female, ethyl alcohol 70%, Iranduba municipality, N.S. do Perpétuo Socorro, Amazonas river , Traíra lake , 03°09’35.9”S 59°19’37.8”W,A16L, 21.IX.2003,P.de Marco & N.Ferreira-Jr. colls., V. P.Alecrim det. ; 1 male,ethyl alcohol 70%, Iranduba municipality, Amazonas river, Trindade island , 03°19’29.2”S 58°44’32.7”W, A17L, 22.IX.2003, P. de Marco & N. Ferreira-Jr. colls., V. P. Alecrim det. ; 2 males, pinned, Manaquiri municipality, 12-13. IV.1996, J.F.L. Moura coll., T. M. Almeida, 2013 det .; 1 male, pinned, Manaquiri municipality, Janauacá lake , 16. VI.1977, M. Serrano coll., 0020873, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Manaus municipality, 18.VIII.1964, E. Faustino coll., 2703, 0021051, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Manaus municipality, Aleixo district , 04.II.1988, M.F. Vieira coll., 0020915, J. R. I. Ribeiro,1998 det .; 1 male, ethyl alcohol 70%, Manaus municipality, UFAM campus, ESALQ, Blb , 27-28.IX.1982., T. M. Almeida, 2013 det .; 3 males (1 with eggs) and 7 females, ethyl alcohol 70%, Manaus municipality, Bosque da Ciência – INPA campus I, Amazônico lake , aquatic insect net, 19.XI.2012, T. M. Almeida, G.A. Gusmão, D. Colpani & D. Costa colls., T. M. Almeida, 2013 det .; 6 males, ethyl alcohol 70%, Manaus municipality, aquatic insect net, 13.VIII.2012, T. M. Almeida, G.A. Gusmão, D. Colpani & C. R.S. Neto colls., T.M. Almeida, 2013 det .; 1 male, pinned, Manaus municipality, campus INPA, Aleixo district , XI.1975, F.Saraiva coll.,0155,00210476,J. R. I. Ribeiro,1998 det .; 1 male, pinned, Manaus municipality, campus INPA, 30. IV.1976, Paraluppi coll., 0020939, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manaus municipality, campus INPA, 22. VI.1996, Paraluppi coll., 0020933, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Manaus municipality, campus INPA, 25. V.1986, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manaus municipality, campus INPA, 16. VI.1976, E. Rufino coll., 0020929, J. R. I. Ribeiro det. ; 12 males and 18 females, acohol 70%, Manaus municipality, Centro de Projetos e Estudos Ambientais do Amazonas – Cepeam / Soka Gakkai , 03°06’44.1”S 59°54’22.7”W, 11.XII.2012, T. M. Almeida, G.P.S. Dantas, G.A. Gusmão, D. Colpani & J.S. Oliveira colls., T. M. Almeida, 2013 det .; 2 females, ethyl alcohol 70%, Manaus municipality, Centro Universitário do Norte – UNINORTE, 07.IX.2012, K.Sousa coll., T. M.Almeida, 2013 det .; 1 female, ethyl alcohol 70%, Manaus municipality, Centro Universitário Uninorte , 07.IX.2012, T. M. Almeida coll., T. M. Almeida, 2013 det .; 1 female, pinned, Manaus municipality, Educandos district , 21.IX.1983, J.M. Rodrigues coll., 0021004, J. R. I. Ribeiro, 1998 det .; 2 males, pinned, Manaus municipality, AM 010 , km 64, 1998, 29. VII.1970, A. Faustino coll., 3013, 0021044, J. R. I. Ribeiro det. ; 1 male, pinned, Manaus municipality, Aleixo district , INPA, 06.XI.1975, F. Saraiva coll., 0155, 0021047, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manaus municipality, INPA, 03.VII.1976, Mario Dantas coll., 1312, 0021003, J. R. I. Ribeiro, 1998 det .; 1 male, ethyl alcohol 70%, Manaus municipality, Negro river , 03.X.2002, D.C.C. Pereira coll., A.L. de Melo det. ; 1 male, ethyl alcohol 70%, Manaus municipality, Negro river , 03.X.2002, D.L. V. Pereira det. ; 1 female, ethyl alcohol 70%, Manaus municipality, Puraquequara lake , 03°03’48.9”S 59°50’46.3”W, aquatic insect net, 13.XII.2012, T. M. Almeida, G.A. Gusmão, D. Colpani & J.S. Oliveira colls. T. M. Almeida,2013 det .; 1 female,ethyl alcohol 70%, Manaus municipality, campus INPA, 19. V.2003, T. M. Almeida, 2013 det .; 1 male, pinned, Manaus municipality, 04-29. IV.2005, T. M. Almeida, 2013 det .; 1 male and 1 female ethyl alcohol 70%, Manaus municipality, Coroado district , 25.VII.2012. T. M. Almeida coll., T. M. Almeida, 2013 det .; 2 males and 1 female, ethyl alcohol 70%, Manaus municipality, 7 de Setembro avenue, downtown, 20.IX.2012. Silva, C.N. coll., T. M. Almeida,2013 det .; 1 male, ethyl alcohol 70%, Manaus municipality, INPA, campus II, in light, 25.II.2014, T. Mahlmann coll., T. M. Almeida, 2013 det .; 1 female, pinned, Manaus municipality, 13.III.1980, F. Peralta coll., 0020878, 0021006, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manaus municipality, 26. VI.1976, M. Serrano coll., 2993, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manaus municipality, Bosque da Ciência – INPA campus I, 03°05’S 59°59’W, 12. V.2012, aquatic insect net, P. R. Bartholomay coll., T. M. Almeida, 2013 det .; 1 male, pinned, Manaus municipality, Puraquequara lake , 16-19.IX.2010, Ulysses coll., 0020924, T. M. Almeida, 2013 det .; 3 males, pinned, Manaus municipality, ZF-2 tower, km 14, 40 metros de altura, 02°35’21”S 60°06’55”W, mixed light and BLB, 16-19.VII.2004, J.A. Rafael, C.S. Motta, F.F. Xavier Fº, J.M.F. Ribeiro & S. Trovisco colls., T.M. Almeida, 2013 det .; 1 male, pinned, Manaus municipality, Fucapi, Bloco E, 05. V.2010, P.Y. Oliveira coll., T. M. Almeida, 2018 det .; 1 male, pinned, Manaus municipality, Adrianópolis district, Belo Horizonte street, aquatic insect net, 07. V.2008, J.F. Barbosa coll., T. M. Almeida,2018 det .; 1 male, pinned, Manaus municipality, Coroado district , INPA, 25. IV.2005, B.M. Oliveira coll., T. M. Almeida, 2018 det .; 1 female, pinned, Manaus municipality, INPA campus I, Aleixo district , 20. V.2011, D. T. A.S. Vidovix coll., T. M. Almeida, 2018 det .; 1 female, pinned, Manaus municipality, Adolpho Ducke reserve , AM 010 , 02°55’51”S 59°58’59”W, 07.II.2008, G.L.S. Monte coll., T. M. Almeida, 2018 det .; 1 male, pinned, Manaus municipality, Ducke Reserve , 02°55’49”S 59°58’31”W, 07. V.2011, aquatic insect net, A.H.C. Oliveira coll., Belostomatidae A.H.C. Oliveira, 2011 det., T. M. Almeida, 2018 det .; 1 male and 1 female, ethyl alcohol 92%, Manaus municipality, Bosque da Ciência – INPA campus I, 13. IV.2018, T. M. Almeida & F. Stefanello colls., F. Stefanello, 2018 det .; 1 female, pinned, near Manaus municipality, AM 010 km 232, 01.IX.1977, L.P.A.E. Rufino coll., 0020916, J. R. I. Ribeiro, 1998 det .; 3 males, pinned, near Manaus municipality, tower ZF-2 Reserve , 45 km, 02°35’20”S 60°06’55”W, 06-09.I.1997, C.S. Motta & J. Vidal coll., 0016976, J. R. I. Ribeiro, 1998 det .; 1 male,pinned,near Manaus municipality, BR 174 ,km 2.5, F.G.L. Oliveira coll., Belostomatidae F.G.L. Oliveira det., T. M. Almeida, 2018 det .; 1 male, pinned,near Manaus municipality, AM 010 , km 64, VIII.1970, A. Faustino coll., 0021042, 3106.27, J. R. I. Ribeiro, 1998 det .; 1 male, pinned, Manaus-Itacoatiara municipalities, Aruanã farm, AM 010 , km 215, light trap, 22-23.VIII.1990, C.S. Motta et al. colls., 0021014, J. R. I. Ribeiro, 1998 det .; 1 female, pinned, Manacapuru municipality, Ressaca lake , 26.XII.1959, 0020894, 1966, H. Sioli & W. Sattler, H.H. Weber det. ; 1 male, pinned, Manicoré municipality, waterfall, 05°29’44”S 60°49’21”W, mixed light and BLB, IX.2004, Silva & Pena colls., T. M. Almeida, 2013 det .; 2 males, pinned, Novo Aripuanã municipality, Xadá lake , 05°15’39”S 60°42’32”W, mixed light and BLB, IV.2005, F. Xavier, F. Godoi & A. Lourido colls., T. M. Almeida, 2013 det .; 1 male (with eggs) and 1 female, ethyl alcohol 70%, Parintins municipality, Comprido’s lake, near Amazonas river , 02°29’55.1”S 56°29’26.9”W, A19L, 25.IX.2003, P. de Marco & N. Ferreira-Jr., V. P. Alecrim det. ; 2 males, pinned, Presidente Figueiredo municipality, BR 174 , km 113, 02°28’56”S 60°01’48”W, mixed light trap, 07-08.VIII.1999, C.S. Motta et al. colls., T. M. Almeida, 2017 det .; 1 female, pinned, Presidente Figueiredo municipality, AM 240 , km 12, Água Viva farm, mixed light trap, 18-22.XII.2006, F.F. Xavier Fº, G.M. Lourido, P.K.M. Almeida & D.M.M. Mendes colls., T.M. Almeida, 2013 det .; 3 females, pinned, Presidente Figueiredo municipality, BR 174 , km 200, light trap, 27.I.2006, J.A. Rafael; F.F. Xavier Fº, A. Silva & D.M. Mendes colls., T.M. Almeida, 2013 det .; 2 females, pinned, Presidente Figueiredo municipality, BR 174 , km 180, mobile light trap, 25-26.I.2006, J.A. Rafael, F.F. Xavier Fº, A. Silva, D.D. Mendes colls., T.M. Almeida, 2013 det .; 3 females, ethyl alcohol 70%, Presidente Figueiredo municipality, BR 174 , km 21, 02°47’31.8”S 060°02’04.6”W, 10. XII.2012, G.A. Gusmão, D. Colpani, T.M. Almeida, G.P.S. Dantas & J.S. Oliveira colls., T.M. Almeida, 2013 det .; 1 male, pinned, Rio Preto da Eva municipality, S. Petiza coll., IV.2009, Belostomatidae E.L.L. Belmont det., T. M. Almeida,2018 det .; 1 male, pinned, São Paulo de Olivença municipality, 18.IX.1961, E. Faustino coll., 2292, 0021050, J. R. I. Ribeiro, 1998 det .; 1 male, ethyl alcohol 70%, Tabatinga municipality, 04°12’15”S 69°54’32”W, light trap, 08.IX.2005, J.A. Rafael & F.F. Xavier Fº colls., T. M. Almeida, 2013 det .; 1 male, pinned, Tefé municipality, EMADE highway, km 21, Bom Jesus village , 03°25’20.65”S 64°37’05.70”W, mixed light trap, 29-30.VII.2016, D.M.M. Mendes & J.C. Oliveira colls., T. M. Almeida, 2018 det .; 1 female, pinned, near Tefé municipality, Tefé lake, near Solimões river , 10.XII.1976, E. Faustino coll., 0020927, J. R. I. Ribeiro,1998 det .; 1 male and 1 female, ethyl alcohol 70%, Comprido’s lake, near Amazonas river , 02°29’55.1”S 56°29’26.9”W, A19L, 25.IX.2003, P. de Marco & N. Ferreira-Jr., V. P. Alecrim det. 2 males (1 with eggs), ethyl alcohol 70%, Pará, Alenquer municipality, Bom lugar river, 06-08.VII.1985, A. Celeste coll., T. M. Almeida, 2013 det .; 1 male and 1 female, ethyl alcohol 70%, Almerim municipality, Paranaquara lake, near Amazonas river , 01°44’31.1”S 53°10’18.0”W, A25L, 05.X.2003,P. de Marco & N. Ferreira-Jr., V. P.Alecrim det. ; 1 male, pinned, Bragantina municipality, Quatipuru , 05. IV.1963, E.J. Fittkau coll., 0020897, H.H. Weber, 1966 det .; 1 female, ethyl alcohol 70%, Óbidos municipality, Januária, Ipapucu lake , near Amazonas river , 02°06’06.1”S 55°17’12.4”W, A21L, 27. IX.2003, P.de Marco & N. Ferreira-Jr., V. P. Alecrim det. ; 2 females, ethyl alcohol 70%, Óbidos, Curuçambá stream, 01°50’04”S 55°29’26”W, light trap, 10.IX.2001, J.A. Rafael & J.F. Vidal colls., T. M. Almeida, 2013 det .; 1 female, ethyl alcohol 70%, Santarém municipality, Santana do Ituqui, Maicá lake , 02°30’44.0”S 54°19’43.9”W, A22L, 30.IX.2003, P. de Marco & N. Ferreira-Jr. colls., V. P. Alecrim det. ; 1 female, ethyl alcohol 70%, Santarém municipality, Santana do Ituqui, Maicá lake , near Amazonas river , 02°30’44.0”S 54°19’43.9”W,A22L, 30.IX.2003, P.de Marco & N.Ferreira-Jr. colls., V. P. Alecrim det. 1 male, ethyl alcohol 70%, Rio Grande do Sul, Canela municipality, ARR, 21.IV.1989, U. Barbosa coll., T. M. Almeida, 2013 det. 3 males and 2 females, ethyl alcohol 70%, Tocantins, Palmas municipality, Brejo da Jéssica stream, 10°03’53.60”S 48°14’58.00”W, 06.VI.2016, A. Pes, G. Amora, J. Silva, N. Hamada, S. Couceiro & J.P. Benevides colls., F. Stefanello, 2018 det .

Notes: This is the first record of B.discretum to Rio Grande do Sul state ( Brazil).

Figures

Figure 2. Species of Belostomatidae.Dorsal view.(A) = Belostoma ripicolum – paratype (Male,Rio Grande do Sul).(B) = B.gestroi (Male,Amazonas).(C) = B.discretum(Male,Amazonas).(D) =B.candidulum(Male,from Mato Grossodo Sul).(E)= B.carajaensis(Male,Amazonas).(F)= B.estevezae(Female,Amazonas).(G) = B. micantulum (Male, Amazonas). (H) = B.minusculum (Male, Amazonas).(I) = B. nessimiani – holotype (Male, Amazonas). (J) = B. nicaem (Female, Amazonas). (K) = B.parvum (Female,Amazonas).(L) = B.plebejum (Male,Amazonas).Scale bar:2 mm.

Figure 7. Distribution of Belostomatidae in South America. Red symbol: known records,yellowsymbol:newrecords.(A) = Belostomadiscretum. (B)= B.carajaensis (square),B.candidulum (circle).