Melanagromyza longomembranacea Braun & Prado
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publication ID |
https://doi.org/ 10.5281/zenodo.275266 |
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DOI |
https://doi.org/10.5281/zenodo.6214370 |
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persistent identifier |
https://treatment.plazi.org/id/03E087A1-0B50-FF9E-FF6C-FB77FDF77D59 |
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treatment provided by |
Plazi |
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scientific name |
Melanagromyza longomembranacea Braun & Prado |
| status |
sp. nov. |
Melanagromyza longomembranacea Braun & Prado View in CoL , 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.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.