Review of Brazilian species of Syneches Walker (Diptera, Hybotidae, Hybotinae), with description of ten new species Author Soares, Matheus M. M. 0000-0002-2355-1441 matheusmmsoares@gmail.com Author Freitas-Silva, Rafael A. P. 0000-0002-7560-4939 rpfreitas.silva@gmail.com Author Ale-Rocha, Rosaly 0000-0001-9874-9770 alerocha@inpa.gov.br text Zootaxa 2021 2021-10-11 5049 1 1 84 http://dx.doi.org/10.11646/zootaxa.5049.1.1 journal article 3976 10.11646/zootaxa.5049.1.1 5dc17a27-e095-4dc8-b10d-09fc935dbf45 1175-5326 5560580 F9647501-7F6B-4286-AEEE-19B620F697ED Syneches limeirai Soares & Ale-Rocha ( Figs 26A–E , 49 ) Syneches limeirai Soares & Ale-Rocha, 2018: 638 , figs 4–8, 11, 16. Type locality: Piracuruca , Piauí , Brazil . Diagnosis. Small size (3.0 mm) ( Fig. 26A ). Antenna dark brown ( Fig. 26C ). Scutum rounded, as broad as mesopleuron in lateral view, dark brown, covered with reddish brown pruinescence ( Fig. 26B ). Hind femur slender, without spiniform bristles ( Fig. 26D ); legs with dorsal small black spot at apex of hind femur, fore tarsomeres 1–4 brown, tarsomere 5 of all legs dark brown, otherwise yellow ( Figs 26A, D ). Wing hyaline; pterostigma inconspicuous; second section of M 1 2 x longer than crossvein r-m ( Fig. 26E ). Type material. HOLOTYPE ♂ ( CZMA ) labelled: “ Brasil , ( PI ) [ Piauí ], Piracuruca, P [ Parque ] N [ Nacional ] de Sete Cidades, Posto do ICMBio, 04°05′57″S 41°42′34″W ” “Varredura, 08–12.ii.2013 , F. Limeira de Oliveira , J.A. Rafael , J.T. Câmara ” “ HOLOTYPE , Syneches limeirai Soares & Ale-Rocha ” . Holotype condition: good; not dissected. Distribution. Brazil (States of Maranhão and Piauí ) ( Fig. 49 ). Syneches limeirai is known only from the Caatinga and Cerrado biomes. Remarks. Syneches limeirai is different from all other Brazilian species of Syneches by the following combination of characters: body color predominantly dark brown, wing hyaline with pterostigma inconspicuous and distal margin of hypandrium forming two wide triangular lobes ( ref . Soares & Ale-Rocha 2018 , fig. 4).