Mberu, Capellari & Amorim, 2011

Silva, Paulo Cesar, Capellari, Renato S. & Oliveira, Sarah S., 2025, Revision and morphological phylogeny of the Neotropical genus Mberu Capellari & Amorim (Diptera: Dolichopodidae), with description of twelve new species, Zootaxa 5637 (3), pp. 469-514 : 472-473

publication ID	https://doi.org/10.11646/zootaxa.5637.3.3
publication LSID	lsid:zoobank.org:pub:E1718F54-6375-4DF0-8ACF-EF4D87E12381
DOI	https://doi.org/10.5281/zenodo.15633285
persistent identifier	https://treatment.plazi.org/id/03B18E5C-FF9C-FFC3-5AAD-4A89FA4BF9B9
treatment provided by	Plazi
scientific name	Mberu
status

Treatment

Key to males of Mberu species

1 Base of femur I with anterior bush-like comb of setae ( Figs 6D View FIGURE 6 , 7B View FIGURE 7 ); It1 longer than remaining tarsomeres combined ( Fig. 5D View FIGURE 5 ); femur II with ventral surface bare, except for anteroventral row of setae, decreasing in length towards apex, and 1 av long and sometimes sinuous near apex ( Figs 4D View FIGURE 4 , 5E View FIGURE 5 ) … pepocatu View in CoL group................................................ 2

- Base of femur I without conspicuous differentiated setae; It1 shorter than remaining tarsomeres combined; ventral surface of femur II completely bare............................................................................... 7

2 Wing venation without modifications and spurious veins, dm-m straight, M 4 complete, ending at wing margin ( Figs 1F View FIGURE 1 , 4F View FIGURE 4 , 6F View FIGURE 6 )................................................................................................ 3

- Wing venation with modifications well defined, reticulated, with short spurious veins arising from R 4+5, M 1, dm-m or M 4; dm-m distorted, S-shaped; M 4 incomplete, not reaching wing margin (if reaching margin, just branch, not main vein) ( Figs 3F View FIGURE 3 , 5G View FIGURE 5 , 7D View FIGURE 7 )................................................................................................ 5

3 Eyes touching on face ( Fig. 6B View FIGURE 6 ); wing vein M 1 with distinct flexion S-shaped beyond crossvein dm-m, R 4+5 and M 1 parallel apically to costa ( Fig. 6F View FIGURE 6 ); femur II and tibia II without conspicuous row of setae ( Fig. 6E View FIGURE 6 ) [ Brazil: Goiás and Mato Grosso do Sul]............................................................................... Mberu lopesi sp. nov.

- Eyes not touching on face ( Figs 1B View FIGURE 1 , 4B View FIGURE 4 ); wing vein M 1 slightly concave at anterior margin, without distinct flexion, R 4+5 and M 1 beyond crossvein dm-m converging apically to costa ( Figs 1F View FIGURE 1 , 4F View FIGURE 4 ); femur II with row of ad setae, tibia II with row of anterior setae ( Figs 1E View FIGURE 1 , 3E View FIGURE 3 , 7C View FIGURE 7 )................................................................................ 4

4 Lower surface of occiput with ventral pocl s sparse and straight, as long as vt s, and some sparse and straight white ocp s, increasing in size ventrally, the ventralmost 1.3 times as long as ventral pocl s ( Fig. 1B, C View FIGURE 1 ); setae on anterior surface of coxa I shorter than width of coxa ( Fig. 1D View FIGURE 1 ); wing membrane light brown, slightly darker along anterior margin and at apex ( Fig. 1F View FIGURE 1 ) [ Brazil: Goiás].................................................................... Mberu altamiro sp. nov.

- Lower surface of occiput with ventral pocl s dense and sinuous, two times as long as oc s, and numerous dense and sinuous white ocp s, increasing in size ventrally, the ventralmost as long as lower pocl s ( Fig. 4B, C View FIGURE 4 ); setae on anterior surface of coxa I longer than width of coxa ( Fig. 4C View FIGURE 4 ); wing membrane completely hyaline ( Fig. 4F View FIGURE 4 ) [ Brazil: Distrito Federal and Goiás]...................................................................................... Mberu ericae sp. nov.

5 Wing venation slightly modified, with short spurious veins arising from M 1, dm-m and M 4; R 4 +5 without spurious veins; M 4 ending in small brown spot at apex ( Fig. 3F View FIGURE 3 ); It 1 not swollen at basal 1/3 [ Brazil: Mato Grosso do Sul]................................................................................................ Mberu bodoquena sp. nov.

- Wing venation conspicuously modified, reticulated, with short spurious veins arising perpendicularly from R 4+5, M 1, dm-m and M 4 ( Figs 5G View FIGURE 5 , 7D View FIGURE 7 ); M 4 not ending in spot; It1 ventrally swollen at basal 1/3 ( Fig. 5D View FIGURE 5 )............................... 6

6 Wing membrane light brown, slightly darker along anterior margin, apex of R 4 +5 and M 1 slightly anastomosed, but not forming brownish spots at their apices ( Fig. 7D View FIGURE 7 ) [ Brazil: Minas Gerais]............... Mberu pepocatu Capellari & Amorim, 2011 View in CoL

- Wing membrane hyaline, apex of R 4 +5 and M 1 greatly anastomosed, with anastomoses forming brownish spots touching each other or nearly so ( Fig. 5G View FIGURE 5 ) [ Brazil: Distrito Federal, Goiás and Mato Grosso do Sul].............. Mberu jawara sp. nov.

7 Tibia III dorsally swollen on apical half and comb of posterior pale setae inclined to apex ( Figs 12E View FIGURE 12 , 18E View FIGURE 18 ); DSur ( Figs 13D View FIGURE 13 , 19D View FIGURE 19 ) irregularly shaped and robust, with curved ventral margins and truncated, rounded distal lobe; phallus with short dorsal projection near apex ( Figs 13G View FIGURE 13 , 19F View FIGURE 19 )..................................................................... 8

- Tibia III not conspicuously swollen and without comb of setae; DSur narrow and elongated, with straight ventral margins ( Figs 9D View FIGURE 9 , 11D View FIGURE 11 , 15D View FIGURE 15 , 17D View FIGURE 17 , 21D View FIGURE 21 ); phallus without dorsal projection near apex ( Figs 9G View FIGURE 9 , 11G View FIGURE 11 , 17F View FIGURE 17 , 21E View FIGURE 21 )...................... 9

8 Coxa I with conspicuous posterior hook-shaped projection ( Fig. 12C View FIGURE 12 ); It1 with distinct row of spine-like setae ( Fig. 12D View FIGURE 12 ) [ Brazil: Mato Grosso do Sul and Rio Grande do Sul; Paraguay: Coronel Oviedo; Argentina: Corrientes]................................................................................................... Mberu lamasi sp. nov.

- Coxa I without conspicuous projection ( Fig. 18C View FIGURE 18 ); It1 without modified setae ( Fig. 18D View FIGURE 18 ) [ Brazil: Santa Catarina and Rio Grande do Sul]..................................................................... Mberu soaresi sp. nov.

9 Eyes touching on face ( Figs 14B View FIGURE 14 , 20B View FIGURE 20 ); MEp branched at apex ( Figs 15G View FIGURE 15 , 21H View FIGURE 21 ).................................. 10

- Eyes not touching on face ( Figs 8B View FIGURE 8 , 10C View FIGURE 10 , 12B View FIGURE 12 , 16B View FIGURE 16 , 18B View FIGURE 18 ); MEp not branched at apex ( Figs 9F View FIGURE 9 , 11E View FIGURE 11 , 13E View FIGURE 13 )............. 11

10 Body length about 2 mm; postpedicel about 2.4 times as long as basal width ( Fig. 20B, C View FIGURE 20 ); male hypopygium large, elongate, reaching forward to abdominal segment 2 ( Fig. 21A, B View FIGURE 21 ) [ Brazil: Goiás]...................... Mberu takwajasu sp. nov.

- Body length less than 1.6 mm; postpedicel about 1.6 times as long as basal width ( Fig. 14B, C View FIGURE 14 ); male hypopygium stout, not elongate, reaching forward to abdominal segment 4 ( Fig. 15A View FIGURE 15 ) [ Brazil: Mato Grosso do Sul]... Mberu murtiniensis sp. nov.

11 DSur about 3.7 times as long as high, curved near apex ( Fig. 17D View FIGURE 17 ), conspicuously projecting beyond VSur ( Fig. 17A, B View FIGURE 17 ) [ Brazil: São Paulo]................................................................. Mberu periotoi sp. nov.

- DSur about 2.7–3.0 times as long as high, straight, not conspicuously projecting beyond VSur ( Figs 9A, B, D View FIGURE 9 ; 11A, B, D View FIGURE 11 ).. .................................................................................................. 12

12 Legs completely yellow ( Fig. 8A View FIGURE 8 ); MEp stout, about 2.5 times narrower than VSur, with rough dorsal face ( Fig. 9C, F View FIGURE 9 ) [ Brazil: Rio Grande do Sul]................................................................ Mberu amorimi sp. nov.

- Legs mostly dark brown ( Fig. 10A View FIGURE 10 ); MEp narrow, about 4.5 times narrower than VSur, with smooth dorsal face ( Fig. 11C, E View FIGURE 11 ) [ Brazil: Goiás and São Paulo].......................................................... Mberu britoi sp. nov.