New species of Neotropical Melanagromyza Hendel (Diptera: Agromyzidae) from Asteraceae flower heads Author Braun, Marina Reiter Author Prado, Angelo Pires Do Author Lewinsohn, Thomas Michael text Zootaxa 2009 2279 51 59 journal article 10.5281/zenodo.275266 3a301bfc-2fb3-4f42-839f-243ac4a25c0e 1175-5326 275266 Melanagromyza longomembranacea Braun & Prado , sp. nov. ( Figures 6, 7 ) Specimens examined: Holotype : ɗ (G, PDC 130107 ), BRAZIL : SÃO PAULO: Itirapina, 22º16’45”S 47º48’50”W , 12.ii.2005 (various collectors), ex Bidens gardneri . (MZUSP). Paratypes : 2 ɗ, Itirapina, same data as holotype ; 1 ɗ (LW, PDC 190105 ), Itirapina: 22º19’02”S 47º48’22”W , 17.ii.2005 (various collectors). (ZUEC/ UNICAMP). 2 ɗ, Itirapina, same data as holotype ; 1 ɗ (LW, PDA131801), São Carlos, 22º06’50”S 47º49’07”W , 8.v.2005 (various collectors), ex Bidens gardneri (MZUSP). Diagnosis: Small coppery black species, wing length in male 1.12 to 1.58 mm , distiphallus length up to 0.070 mm and membrane length 0.275 to 0.32 mm . Description: Male adult: Wing length 1.38 to 1.58 mm (n= 7, mean= 1.44 mm , sd= 0.074). Squamae gray, margin gray and fringe blackish brown. Head : Head brown. Eye width 0.33 to 0.40 mm (n= 10, mean= 0.37 mm , sd= 0.03) and frons width 0.21 to 0.26 mm (n=10, mean= 0.23 mm , sd= 0.02) not projecting above eye in profile; four orbital bristles, usually equal, orbital setulae reclinate; ocellar triangle large, moderately shining, apex extending slightly beyond level of lower orbital bristle; Gena one-sixth vertical height of eye; eyes bare in both sexes; arista only minutely pubescent. Thorax and abdomen : Mesonotum coppery black, slightly shining particularly when viewed from rear, with two pairs of dorsocentral bristles; abdomen more brilliantly coppery. Thorax length 0.73 to 0.9 mm (n=10, mean= 0.81 mm , sd= 0.08). Pleuron bristles: three on notopleuron, one on anepisternum and two on katepisternum. Only one bristle on postpronotum. Male genitalia : Aedeagus as in Fig. 6 and epandrium as in Fig. 7 . Host plant/Biology: Host plant Bidens gardneri (Heliantheae) , larva feeding and pupating in seed head. Etymology: The specific epithet is derived from the distinctive aedeagal membrane. Distribution: Itirapina, São Carlos (São Paulo) - Brazil . Comments: This species is not distinguishable on external characters from M. multivora . Small distiphallus in proportion to membrane.