Gerromorpha (Insecta, Hemiptera, Heteroptera) from eastern Maranhão state, northeastern Brazil Author Lima Franco, Cleilton Author Mourão dos Santos Rodrigues, Juliana Author Silva de Azevêdo, Carlos Augusto Author Moreira, Felipe Ferraz Figueiredo text Check List 2021 2021-03-17 17 2 551 568 http://dx.doi.org/10.15560/17.2.551 journal article 10.15560/17.2.551 1809-127X Tachygerris adamsoni (Drake, 1942) Figure 7A–C New records. BRAZIL • 1 ♂ , 2 ♀ ; Maranhão , Caxias , Barragem stream; −04.87562 , −043.09894 ; 10 Dec. 2019 ; C.L. Franco et al. leg.; LEAq 00245, 00256 . Identification. Our male specimen was identified based on the venter of the fore femur without a basal tubercle ( Fig. 7B ), but instead with a fringe of setae on this area. The females have the posterior margin of abdominal sternum VII without projections, distinctly shorter than the posterior projection of the last abdominal laterotergite ( Nieser 1970 ; Morales-Castaño and Molano- Rendón 2009). Distribution in Brazil . AM, PA, MA*, PI, MT, MG, RJ. Subfamily Rhagadotarsinae Rheumatobates Bergroth, 1892 Rheumatobates bonariensis (Berg, 1898) New records. BRAZIL • 38 ♂ , 22 ♀ ; Maranhão , Codó , Saco river ; −04.62482 , −043.90249 ; 02 Oct. 2019 ; C.L. Franco et al. leg.; LEAq 00277 . Identification. Our material was identified based on the males, which bear antennomere I not incrassate, longer than the others; fore femur without anterior tuft of stout setae or ventral row of long stout spines; hind femur straight; and venter of abdominal segments VII– VIII deeply longitudinally grooved ( Hungerford 1954 ). Distribution in Brazil . MA*, MT, SP, SC, RS. Subfamily Trepobatinae Tribe Trepobatini Halobatopsis Bianchi, 1896