Limnogonus ignotus Drake & Harris, 1934 (Figs 63, 68) Geographical distribution: Argentina (Drake & Harris 1934), Bolivia (Kuitert 1942), Brazil (Drake & Harris 1934), Colombia (Aristizábal-García 2002), French Guiana (Motta et al. 2018), Guyana (Drake & Harris 1934), Paraguay (Drake & Harris 1934), Peru (Kuitert 1942), Suriname (Nieser 1970a), Uruguay (Bachmann 1964). Distribution in Brazil: AL*, DF (Nieser 1970a), MG (Nieser & Melo 1997; Pelli & Barbosa 1998; Melo & Nieser 2004; Moreira et al. 2011b), MS (Drake & Harris 1934), MT (Nieser 1970a; Heckman 1998; Cabette et al. 2010; Dias-Silva et al. 2013), PA (Moreira et al. 2011b), PE (Rodrigues et al. 2012), RJ (Moreira & Campos 2012), RS (Moreira et al. 2011b), SC (Moreira et al. 2011b), SE*. Material examined: BRAZIL • Alagoas • 1 female; Maragogi, APACC; -9.024940, -35.234510; 29 Apr. 2018; C.F.B. Floriano, J.M.S. Rodrigues & O.M. Magalhães col.; CEIOC 79844. • 1 male; Feliz Deserto; -10.325200, -36.350600; 02 May 2018; C.F.B. Floriano, J.M.S. Rodrigues & O.M. Magalhães col.; CEIOC 79900. • Sergipe • 2 males; Pirambu, RBSI; -10.651470, -36.757140; 01 May 2018; C.F.B. Floriano, J.M.S. Rodrigues & O.M. Magalhães col.; CEIOC 79845.

Published as part of Rodrigues, Juliana Mourão Dos Santos, Nery, Leticia, Rodrigues, Higor D. D. & Moreira, Felipe Ferraz Figueiredo, 2021, Survey of the semiaquatic bugs (Hemiptera: Heteroptera: Gerromorpha) from Alagoas and Sergipe, Northeast Brazil, pp. 103-159 in Zootaxa 4958 (1) on page 119, DOI: 10.11646/zootaxa.4958.1.9, http://zenodo.org/record/4693243