Usiinae
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publication ID |
https://doi.org/ 10.5281/zenodo.194967 |
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DOI |
https://doi.org/10.5281/zenodo.6206872 |
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persistent identifier |
https://treatment.plazi.org/id/039DBF73-247D-FFEE-58B0-FF7410B4FE0D |
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treatment provided by |
Plazi |
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scientific name |
Usiinae |
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Key to genera of Usiinae View in CoL View at ENA from China
1. Flagellum with an articulated spine-like second flagellomere in addition to a stylus; discal cell open or closed by crossvein m-m; narrow bodied flies ........................................................................................................ Apolysis View in CoL Loew
- Flagellum without a second flagellomere; discal cell always closed by crossvein m-m; compact bee-like flies ....... 2
2. Oral margin narrow in frontal view, gena almost non-existent or extremely narrow, usually only represented by a ridge between oral-genal cup and inner eye margin; eyes of males dichoptic ......................................... Usia View in CoL Latreille
- Oral margin much broader, gena present between inner eye margin and oral-genal cup; eyes of males usually holoptic ................................................................................................................................................. Parageron View in CoL Paramonov
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.