Mesoconius braueri (Hennig) Marshall, 2019

Marshall, Stephen A., 2019, A revision of the genus Mesoconius Enderlein (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 548, pp. 1-126 : 102

Mesoconius braueri (Hennig) comb. nov.

Fig. 40B

Aristobata braueri Hennig, 1935: 31, 1934 : pl. 2, fig. 5 (nomen nudum).

Zelatractodes braueri – Steyskal 1968: 20 .

Diagnosis

Length about 14 mm. Colour entirely dull orange, with the following exceptions: head shiny yellow, with frontal vitta velvet black; fore tarsomere 1 black basally and dorsally, tarsus otherwise white, except for some ventral black pigmentation on tarsomere 2; fore femur black distally, fore tibia entirely black; mid femur with a broad and complete band at middle, hind femur with an incomplete black band beyond middle. Head with ocellar tubercle distinctly elevated; inner vertical and postocellar bristles present, outer verticals absent. Wing membrane evenly and lightly infuscated, except for a large central clear area in cell r 4+5 continuous with a small pale spot in r 2+3. Abdominal segments 1–2 petiolate, segment 3 somewhat petiolate.

Material examined

Holotype

VENEZUELA • ♀; “Venezuela”; SMTD.

Paratypes

VENEZUELA • 1 ♀, 1 ♂; same collecting data as for holotype; NHMW .

Remarks

Mesoconius braueri is distinguished from other orange species of Mesoconius lacking a prominent katatergite ( M. garyi sp. nov., M. ottoi nom. nov. and M. hoffmannsi ) by its black mid-femoral rings.

Figures

Fig. 40. Mesoconius oblitus group species known only from original type specimens. A. Mesoconius afurcatus (Hennig, 1935), holotype, ♂, MLUH, Venezuela. B. M. braueri (Hennig, 1935), paratype, ♂, NHMW, Venezuela. C. M. cyclops (Hennig, 1935), holotype, ♂, SMTCk, Bolivia. D. M. filipes Enderlein, 1922, holotype, ♀, MNBG, Peru. E. Aristobata melini Frey, 1927 (junior synonym of M. filipes), syntype, ZMUH, Peru. F. M. rufiventris (Enderlein, 1922), holotype, ♀, MNBG, Colombia. G. M. versicolorus (Enderlein, 1922), holotype, ♀, MNBG, Colombia.