Acanthonevrini
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publication ID |
https://doi.org/ 10.11646/zootaxa.5506.3.1 |
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publication LSID |
lsid:zoobank.org:pub:F4D3B7AC-9C1E-4D25-ABD4-FED3B295547B |
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DOI |
https://doi.org/10.5281/zenodo.13758987 |
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persistent identifier |
https://treatment.plazi.org/id/03DB87D8-FFB0-B042-E6F9-9B5DCABFCFD7 |
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treatment provided by |
Plazi |
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scientific name |
Acanthonevrini |
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Key to species of Acanthonevrini View in CoL View at ENA from India
1. Scutum red-brown with broad, fulvous prescutellar patch (Fig. 67); scutellum wholly yellow or white........................................................................................... Diarrhegma modestum (Fabricius) View in CoL
- Scutum reddish brown/fulvous/black without yellow prescutellar patch (Figs 68–72); scutellum variable in colour........ 2
2. Scutum fuscous with brown, longitudinal vittae extending to scutellum (Fig. 68); cell r 1 1.5 times longer than cell sc, wing predominantly dark brown ( Fig. 79 View FIGURES 75−82 ) with apical hyaline spots in cells r 2+3 and r 4+5 .......... Rioxa parvipunctata de Meijere View in CoL
- Scutum yellow/fulvous (Figs 71, 72) or black (Fig. 69) but without longitudinal vittae extending to scutellum; cell r 1 as long as or shorter than cell sc, wing pattern variable (brown with numerous hyaline wedges or spots/fully black/hyaline with longitudinal and transverse bands).................................................................................. 3
3. Scutum yellow/fulvous with black lateral postsutural vittae and spots; abdomen yellow/fulvous with transverse bands interrupted medially on tergites 2–5 in females and 3–5 in males ( Figs 15, 16 View FIGURES 15−18 )................................................................................................... Tritaeniopteron obscurum David, Salini & Nikhil , sp. nov.
- Scutum fulvous/red-brown/black/fuscous but without black lateral postsutural vittae and spots; abdomen not as above..... 4
4. Scutum black with a prominent white stripe from scapular seta to apex of scutellum (Fig. 69) or brown with broad, black presutural and postsutural bands ( Fig. 46 View FIGURES 46, 47 ); wing either fully black with posterior hyaline band ( Fig. 77 View FIGURES 75−82 ) or fully brown with anterior hyaline band ( Fig. 47 View FIGURES 46, 47 ).......................................................................... 5
- Scutum and wing not as above.......................................................................... 6
- Scutum brown with broad, black presutural and postsutural bands ( Fig. 46 View FIGURES 46, 47 ); wing brown with a hyaline costal band ( Fig. 47 View FIGURES 46, 47 ), vein M 1 parallel to R 4+5 ............................................. Felderimyia gombakensis Hancock & Drew
6. Scutum red-brown with dark presutural vittae and a prescutellar transverse band; wing yellow with dark brown band from sc to vein Cu 1 through apical margin of wing.................................................. Sophira phlox Munro
- Scutum not as above, without presutural vittae and transverse band; wing either hyaline or dark fuscous with hyaline markings........................................................................................... 7
7. Scutum with two prescutellar black spots; wing predominantly hyaline with dark patches ( Fig. 56 View FIGURES 56 )..................... 8
- Scutum without prescutellar black spots; wing pattern dark fuscous to black with numerous hyaline spots and wedges (Figs 80–82)............................................................................................. 9
8. Wing with medial dark patch posterior to pterostigma reaching vein M 1 and with a hyaline spot in cell br ( Fig. 56 View FIGURES 56 ).................................................................................. Phorelliosoma hilaratum Hering
- Wing with medial dark patch posterior to pterostigma restricted to isolated spots in cell r 1 and along crossvein r-m................................................................................. Phorelliosoma ambitiosum Hering
9. Scutum predominantly yellow with black spots/markings (Figs 71, 72); wing dark brown with numerous hyaline spots ( Figs 75, 76 View FIGURES 75−82 ) ................................................................................................ 10
- Scutum red-brown or grey with or without black markings (Fig. 70); wing dark brown with hyaline wedges and spots ( Figs 80–82 View FIGURES 75−82 )............................................................................................ 12
10. Cell r 1 with a single hyaline wedge-shaped marking ( Fig. 39 View FIGURE 39 ).......................... Erectovena desperata (Hering)
- Cell r 1 with two or more hyaline markings ( Figs 75, 76 View FIGURES 75−82 )...................................................... 11
11. Cell r 4+5 of wing with a hyaline apical spot ( Fig. 76 View FIGURES 75−82 ); scutum yellow with dark brown to black spots, vittae absent (Fig. 72).............................................................................. Hexacinia radiosa (Rondani)
- Cell r 4+5 of wing with an oblique hyaline indentation ( Fig. 75 View FIGURES 75−82 ); scutum yellow with dark brown vittae (Fig. 71)........................................................................................ Ectopomyia baculigera Hardy
12. Wing with vein R 2+3 distinctly undulate ( Fig. 82 View FIGURES 75−82 ), especially in males; indentation in stigma fulvous and separated from hyaline indentation in cell r 1 by less than its own width or both indentations absent; head wider than high in males, as wide as long in females ( Figs 65, 66 View FIGURES 65, 66 )................................................................................. 13
- Wing with vein R 2+3 often not undulate (Figs, 78, 80, 81); if indentation in stigma fulvous then separated from hyaline indentation in cell r 1 by much more than its own width; head not sexually dimorphic in shape................................. 14
13 Wing with indentation in stigma fulvous and separated from hyaline indentation in cell r 1 by less than its own width ( Fig. 82 View FIGURES 75−82 ); eyes not distinctly stalked but head wider in males than females ( Figs 65, 66 View FIGURES 65, 66 ).................... Themara yunnana Zia
- Wing without fulvous or hyaline indentations from costa in stigma and cell r 1, brown with two broad longitudinal yellow bands and a distinct oval white spot in cell r 4+5; eyes distinctly stalked by expansion of frons in males, not in females [Andaman Islands, India]................................................. Themara andamanensis Hancock & Whitmore
14. Anatergite with fine erect hairs ( Fig. 73 View FIGURES 73−74 )........................................................ Ptilona van der Wulp. ............................................................................................. 15
- Anatergite smooth, without fine erect hairs ( Fig. 74 View FIGURES 73−74 )................................................ Rioxoptilona Hendel. ............................................................................................ 17
15. Hyaline indentation at base of stigma not or only narrowly crossing vein R 2+3 as an elongate spot, hyaline indentation in cell m elongate and distinctly broadened posteriorly, and hyaline spot in cell dm transversely elongate, apical and indented or almost divided medially ( Fig. 6 View FIGURES 2−6 ).............................................................................. 16
- Hyaline indentation at base of stigma crossing vein R 2+3 as a quadrate spot and reaching vein R 4+5, hyaline indentation in cell m triangular and evenly broadening posteriorly, and hyaline spot in cell dm subcircular and anteroapical ( Fig. 78 View FIGURES 75−82 )................................................................................................ P. confinis (Walker)
16. Hyaline spot in cell r 4+5 oval or rounded and not aligned with elongate hyaline spot in cell dm........... P. conformis Zia
- Hyaline spot in cell r 4+5 transversely elongate and aligned with elongate hyaline spot in cell dm ( Fig. 6 View FIGURES 2−6 ).................................................................................... P. confracta David & Hancock , sp. nov.
17. Wing dark brown, dimidiate without hyaline spots and markings............................... R. hemileina (Hering)
- Wing dark brown with hyaline indentations and spots ( Figs 80, 81 View FIGURES 75−82 )............................................ 18
19. Vein R undulate................................................................................... 20
- Vein R 2+3 straight or nearly so ( Fig. 81 View FIGURES 75−82 )................................................... R. vaga (Wiedemann)
20. Scutum red-brown without dark vittae..................................................... R. inermis (Hering)
- Scutum red-brown with dark longitudinal vittae......................................... R. formosana (Enderlein)
21. Cell br with a hyaline spot before r-m crossvein ( Fig. 80 View FIGURES 75−82 )................................ R. dunlopi (van der Wulp)
- Cell br without a hyaline spot before r-m crossvein.......................................................... 22
22. Subscutellum and mediotergite yellow; male forefemur not densely setose....................... R. imparata (Hering)
- Subscutellum and mediotergite red-brown to blackish brown; male forefemur swollen and densely setose.................................................................................................... R. gravelyi (Munro)
| R |
Departamento de Geologia, Universidad de Chile |
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.