Mycodrosophila valentae, Junges & Gottschalk & Loreto & Robe, 2016
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publication ID |
https://doi.org/ 10.1016/j.rbe.2015.11.008 |
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publication LSID |
lsid:zoobank.org:pub:A31498AD-E804-4ABC-9C90-713E558D66F1 |
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DOI |
https://doi.org/10.5281/zenodo.10664795 |
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persistent identifier |
https://treatment.plazi.org/id/24F376FC-769A-49BA-A19A-26B0A248FE70 |
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taxon LSID |
lsid:zoobank.org:act:24F376FC-769A-49BA-A19A-26B0A248FE70 |
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treatment provided by |
Felipe |
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scientific name |
Mycodrosophila valentae |
| status |
sp. nov. |
Mycodrosophila valentae sp. nov.
( Figs. 4D–F View Fig , 5B View Fig , 6B View Fig , 9A–E View Fig )
Type material. HOLOTYPE: ♂, labeled: “ Brasil, RS. Capão do Leão. Horto Botânico Irmão Teodoro Luis – UFPel. 31 ◦ 46 Ɩ 02.05 ƖƖ S, 52 ◦ 26 Ɩ 55.34 ƖƖ W, Blauth, M.L. and Valer, F. col. 29.04.2011 / M. valentae sp. nov. Junges, Gottschalk, Loreto and Robe, ♂ Holótipo ” . PARATYPES: 3 ♂, labeled: “Brasil, RS. Capão do Leão.Horto Botânico Irmão Teodoro Luis – UFPel. 31 ◦ 46 Ɩ 02.05 ƖƖ S, 52 ◦ 26 Ɩ 55.34 ƖƖ W, Blauth, M.L.and Valer, F. col. 29.04.2011 / M. valentae sp. nov. Junges, Gottschalk, Loreto and Robe ♂ Parátipo ”. All the specimens (holotype and paratypes) had their post-abdomen disarticulated and the terminalia mounted on slides with Canada balsam .
Type locality: Horto Botânico Irmão Teodoro Luis , Campus of Universidade Federal de Pelotas, Capão do Leão city, Rio Grande do Sul State, Brazil (31 ◦ 46 Ɩ 02.05 ƖƖ S, 52 ◦ 26 Ɩ 55.34 ƖƖ W) .
Diagnosis: Main color dark brown, notum dark brown and pleurae brownish yellow ( Fig. 4D and E View Fig ). Abdomen with dark brown bands covering tergites 2–6, tergite 4 with a pale central area as in M. projectans ( Fig. 5B View Fig ). Wing bearing two clouded bands below each costal vein breaks ( Fig. 6B View Fig ). The aedeagus has a tubular form with tiny scales around it, being apically bifurcated and slightly serrated ( Fig. 9C–E View Fig ).
Male description
Head ( Fig.4F View Fig ):Frons dark brown with a median area light brown. Frontal length = 0.29 mm (0.29–0.30 mm); frontal index = 0.97 (0.96–1.00), frontal tapering ratio = 1.35 (1.30–1.48), length ratios of orbital setae: or2/or1 = 0.20 (0.12–0.29), or2/or3 = 0.21 (0.12–0.38), or1/or3 = 1.05 (0.82–1.3), vt index = 0.99 (0.77–1.15), ocellar triangle dark brown about 35% (29–40%) of frontal length. Face dark brown, facial carina proeminent and nose like. Antennae dark brown, aristae with 4 or 5 dorsal, 1 ventral and 4 internal branches, plus terminal fork; flagellomere I width to length ratio = 0.44 (0.41–0.47). Palpi dark brown. Red eyes without pile. Genae brown, vibrissal index = 0.27 (0.16–0.33); cheek index = 9.00 (5.00–13.00); eye index = 1.12 (1.05–1.26).
Thorax ( Fig.4D and E View Fig ):Main color dark brown. Length = 0.95 mm (0.92–1.00 mm), width = 0.72 mm (0.69–0.77 mm). Ten irregular rows of acrostichals, anterior pair of dorsocentral setae absent, distance between posterior dorsocentral = 0.34 mm (0.28–0.36 mm), no prescutellar setae. Scutellum dark brown. Basal scutellar setae convergent. Scut index = 0.41 (0.36–0.51), scut position index = 0.63 (0.41–0.82). Two prominent katepisternal setae, sterno index = 0.54 (0.47–0.59). Pleurae brownish yellow. Halter dark brown. Legs brownish yellow.
Wing ( Fig. 6B View Fig ): Yellow with veins dark yellowish, bearing clouded bands below the two costal vein breaks, extending dorso-ventrally. Length = 2.26 mm (2.17–2.33 mm). Indices: wing index = 2.39 (2.17–2.81); C = 0.84 (0.80–0.87); ac = 5.40 (5.06–5.86); 4v = 1.90 (1.81–1.97); 5x = 1.42 (1.25–1.61); 4C = 1.78 (1.64–1.86); M = 0.48 (0.45–0.50); hb = 0.76 (0.72–0.79); prox. x = 0.52 (0.47–0.54).
Abdomen ( Fig. 5B View Fig ): Tergites 2, 6 dark brown, only tergite 4 with an anterior and medial pale area.
Body length: 2.36 mm (2.12–2.61 mm).
Terminalia ( Fig. 9 View Fig ): Epandrium ( Fig. 9A View Fig ) highly microtrichose, with 11 upper bristles. Ventral lobe not microtrichose, with 10 large bristles. Cerci microtrichose, bearing large bristles, not fused to epandrium. Decasternum as in Fig. 9A View Fig . Surstyli with 6 peglike prensisetae, 4 inner and 3 outer setae. Hypandrium ( Fig. 9B View Fig ) longer than wide, v-shaped. Gonopods fused to hypandrium, longer than wider, with one long seta. Aedeagus tubular with tiny scales in the medial half, projected anteriorly, with the tip turned to the dorsal region. Apex of aedeagus bifurcated, with marginal small spines and a jagged aspect. Aedeagal apodeme shorter than aedeagus. Ventral rod projected and fused with the posteromedian margin of the hypandrium. Paraphyses linked to the aedeagal apodeme by membranous tissue and containing three tiny setulae internally.
Female unknown.
Etymology: The epithet is a genitive patronym to honor the Brazilian drosophilist Vera Lúcia da Silva Valente, from Universidade Federal do Rio Grande do Sul.
Geographic distribution: M. valentae sp. nov. seems to be widely distributed in the Brazilian state of Rio Grande do Sul ( Fig. 8 View Fig ). Until now, this species was collected in the municipalities of Capão do Leão (31 ◦ 46 Ɩ 02.05 ƖƖ S; 52 ◦ 26 Ɩ 55.34 ƖƖ W), Santa Maria (29 ◦ 43 Ɩ 02 ƖƖ S; 53 ◦ 43 Ɩ 34 ƖƖ W), Rio Grande (32 ◦ 32 Ɩ 18.28 ƖƖ S; 52 ◦ 32 Ɩ 6.74 ƖƖ W) and Viamão, RS, Brazil (30 ◦ 05 Ɩ 17 ƖƖ S; 51 ◦ 06 Ɩ 07 ƖƖ W).
Ecological notes: This species is common in Southern Brazil, where specimens of the type series were sampled flying over mushrooms of an unidentified Polyporaceae .
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