An illustrated checklist of Stratiomyidae (Diptera: Brachycera) from Paraguay with three new synonyms and 22 new records of species for the country Author Fachin, Diego Aguilar 0000-0001-6018-9886 Laboratório de Evolução e Morfologia de Diptera, Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil. diegoafachin@gmail.com Author Zichinelli, Marcela Maria Parada 0000-0003-1817-7544 Laboratório de Evolução e Morfologia de Diptera, Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil. marcela.zichinelli@usp.br Author Barrett, Bolívar Rafael Garcete 0000-0002-4463-8749 Museo Nacional de Historia Natural del Paraguay, San Lorenzo, Paraguay. & Departamento de Biología c / o Dirección de Investigación, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, San Lorenzo, Paraguay. bolosphex@gmail.com text Zootaxa 2022 2022-09-27 5190 1 1 55 journal article 10.11646/zootaxa.5190.1.1 d894a77f-b902-4b46-95c2-010eaf30c2af 1175-5326 7119906 ADB67A2C-5121-4413-AB6A-92ABE99C24DD sp. 1 ( Fig. 66 ) Material examined. Paraguay : 1 ♀ , Dpto. [Departamento] Boquerón , P.N. Tte Enciso [Parque Nacional Teniente Enciso], Siracua, 08.viii.1994 , B. Barrias col., Colecten Tajamar ( MNHNPY ; MNHNP-HX 2057) . Distribution. Paraguay ( Boquerón : Parque Nacional Teniente Enciso). Comments. The limits between the genera Chordonota Gerstaecker, 1857 and Abasanistus Kertész, 1923 are not well understood ( Woodley 2001: 334 ). This species, in particular, is smaller than the other Chordonota species and it also has an orange head with dark markings, as seen in, for example, A. aureopicus James, 1973b (see Fachin et al. 2021: 37 ). However, this species and, as far as we know, all Chordonota species have the pedicel at least two times longer than scape, while they are subequal in size in Abasanistus . This species, Chordonota sp. 1 ( Fig. 66 ), is likely an undescribed taxon as the genus has not been revised.