Three new species of Pseudosympycnus (Diptera, Dolichopodidae) from Peru and an updated key to the species Author Soares, Matheus Mickael Mota Instituto Nacional de Pesquisas da Amazônia (INPA), Programa de Pós-Graduação em Entomologia (PPG-Ent), Manaus, AM, Brasil. matheusmmsoares@gmail.com Author Ale-Rocha, Rosaly Instituto Nacional de Pesquisas da Amazônia - (INPA), Coordenação de Biodiversidade, Manaus, AM, Brasil. text Revista Brasileira de Entomologia 2022 e 20220005 2022-05-04 66 1 1 10 http://dx.doi.org/10.1590/1806-9665-rbent-2022-0005 journal article 10.1590/1806-9665-RBENT-2022-0005 1806-9665 13196994 46C154A4-616D-4324-AFEE-84C8F95E945A Pseudosympycnus latipes (Parent) ( Figs. 6A–B ). Sympycnus latipes Parent, 1930: 23 , Figs. 28–30. Type locality: Taperinha farm, Santarém , Pará , Brazil . Diagnosis. See Soares and Capellari (2020) for diagnosis and photographs. Hypopygium ( Figs.6A–B ). Similar to P. pennipes sp. nov. except as noted: ventral lobe of surstylus wide, with 4 long setae at ventral edge and few setae at dorsal edge; dorsal lobe of surstylus short, triangular, narrower than ventral lobe, with pointed apex; cercus short, shorter than ventral lobe of surstylus, with pointed apex and covered with long setae; epandrial lobe short, with 1 short setae at apex; phallus: arched ventrally; postgonites wide and cap-like at apex. Material examined. “ Peru : Cusco , Quincemil / 13º13′03.4″S 70º43′40″W / 633m , 23–31.viii.2012 ” “Sweep, J.A.Rafael / R.R. Cavichioli & D.M. Takiya ” ( 2 ♂ , INPA , one specimen with detached genitalia stored in microvial with glycerin; 1 ♂ , MUSM ) . Distribution. Brazil (States of Acre , Amapá and Pará ) ( Soares and Capellari 2020 ), Peru (Department of Cusco ) new record. Remarks. Pseudosympycnus latipes is similar to P.araza, differing from it by the femur I without long seta near base (P. araza with 1 conspicuous ventral seta near basal 1/4, almost as long as half-length of femur) and IIt 5 unmodified (P.araza with IIt 5 conspicuously flattened and white). Pseudosympycnus latipes is also similar to P. pennipes sp. nov. , but can be differentiated by the tibia I with anterodorsal row of setae as long as diameter of tibia (tibia I without anterodorsal row of setae in P. pennipes sp. nov. ) and IIIt 5 unmodified ( P. pennipes sp. nov. with anterodorsal to posterodorsal rows of long, slender and curved setae).