Cydninae (Hemiptera, Heteroptera, Cydnidae) in Brazil: updated checklist, new records, and description of Tominotus ondulatus sp. nov. Author Avendaño, José Mauricio Laboratório de Entomologia Sistemática, Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul (UFRGS), Brazil jmavendanof@gmail.com Author Grazia, Jocelia Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul (UFRGS), Brazil. E-mail: jocelia @ ufrgs. br. jocelia@ufrgs.br Author Schwertner, Cristiano Feldens Departamento de Ecologia e Biologia Evolutiva, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Brazil. E-mail: schwertner @ unifesp. br. schwertner@unifesp.br text Zootaxa 2017 2017-10-09 4329 5 401 435 journal article 31871 10.11646/zootaxa.4329.5.1 09f3f499-00d5-4b1f-af77-f1db57427cdb 1175-5326 1005124 180Ca01D-3268-419D-9E07-500B15438Fce Dallasiellus (Dallasiellus) lugubris (Stål) ( Figs. 5 , 6B ) Aethus lugubris Stål, 1860: 13 . Geotomus obscurus Signoret, 1883: 39 , syn. by Froeschner, 1960 . Geotomus nigrocinctus Signoret, 1883: 40 , syn. by Froeschner, 1960 . Geotomus semilevis Signoret, 1883: 44 , syn. by Froeschner, 1960 . Geotomus pangaeoides Signoret, 1883: 45 , syn. by Froeschner, 1960 . Geocnethus reversus Barber and Bruner, 1932: 237 , syn. by Froeschner, 1960 . Dallasiellus (Dallasiellus) lugubris : Froeschner, 1960 : 613 . Material examined : 2 specimens , PA , Prainha , 06-Jan-1920 , Mendes col., MNRJ ; 1♂ 1♀ , MT , Rosario Oeste , 01- Nov-1963 , Alvarenga col., MNRJ ; 1 specimen , RO , Boa Vista , Alvarenga col., MNRJ ; 3 specimens , MG , Carmo do Rio Claro , Sep-1947 , Carvalho col., MNRJ ; 2 specimens , ES , Linhares , Parque Sooretama , 17-Oct-1958 , Sajciw col., MNRJ ; 1♀ , RJ , Flamengo , "D. Federal", 15-Apr-1955 , A. Silva col., MCNZ ; 1♀ , Flamengo , "D. Federal", 12-Feb-1957 , C. Seabra col., MCNZ ; 1 specimen , Itatiaia , Nov-1950 , Travassos col., MNRJ ; 3 specimens , Rio de Janeiro , Corcovado , 01-Oct-1947 , Alvarenga col., MNRJ ; 1 specimen , Rio de Janeiro , Floresta da Tijuca , 1950, Alvarenga col., MNRJ ; 1♀ , SP , Ibitinga , Seringueira , 29-Nov-1989 , AM de Faria col., UNIFESP ; 1♂ 2♀ , Ibitinga , Seringueira , 13-Dec-1989 , AM de Faria col., UNIFESP ; 28♂ 20♀ , Mogi-Mirim , ca. 9 km W , 02- Feb-2009 , MCNZ ; 1♂ , São Sebastião , Praia de Juquehy , 01-Feb-1992 , F. Silveira col., UFRG ; 1♀ , RS , Derrubadas , Campus UnB , 25-Nov-1965 , MCNZ ; 1♀ , Viamão , 13-Apr-1983 , C.J. Becker col., MCNZ . Distribution: EUA, Mexico, Puerto Rico, Guatemala, Nicaragua, Costa Rica, Panama, Ecuador, Brazil (PA, MT, RO new rec., MG new rec., ES new rec., RJ, SP, RS new rec.), Bolivia, Argentina. Remarks: Among the species of the subgenus of small size (less than 6 mm ), despite the great variation on its external features and the wide geographic range, the two or more secondary submarginal close-set setigerous punctures in front of eye seems to be useful to identify D. lugubris . First record for SP in Brazil in Grazia & Schwertner (2011) and for Ecuador in Froeschner (1981) .