Chersodromia
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publication ID |
https://doi.org/ 10.5281/zenodo.198679 |
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DOI |
https://doi.org/10.5281/zenodo.6205218 |
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persistent identifier |
https://treatment.plazi.org/id/F06E87C9-2377-B509-FF11-FD7BFA601140 |
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treatment provided by |
Plazi |
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scientific name |
Chersodromia |
| status |
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Key to Chersodromia View in CoL from the coast of the Black Sea and Sea of Azov
1 Halters dark. Gena moderately wide, as wide as one-fifth to one-quarter of the eye height ....................................... 2
- Halters pale. Gena narrower ....................................................................................................................................... 4
2 Postpedicel pointed, with an apical stylus .................................................................................................................. 3
- Postpedicel ventrally rounded, with dorsoapical stylus .................................................................... caucasica Chvála
3 Wing brownish on costal half. Mid tibia with ventral spinules on apical third.......................... cursitans (Zetterstedt) View in CoL
- Wing hyaline. Mid tibia with ventral spinules on apical two thirds ..................................... milanchvalai Beschovski View in CoL
4 Wing at least as long as abdomen. Face broad, as broad as front of frons ................................................................. 5
- Wing greatly reduced in length, reaching just beyond tergite 2. Face narrower than front of frons .............................. .......................................................................................................................................................... curtipennis Collin
5 Postpedicel conical, with an apical stylus ...................................................................................... nigrosetosa Chvála View in CoL
- Postpedicel ventrally rounded, with a dorsoapical stylus ............................................................................................ 6
6 Fore leg with tarsomeres 2–5 contrastingly darkened. Left surstylus with several long setae......... isabellae View in CoL sp. nov.
- Fore leg with only tarsomeres 4 and 5 darkened. Left surstylus without long setae ................................................... 7
7 Upper basal cell (br) slightly longer than lower basal cell (bm). Right surstylus broadly forked ........ pontica Chvála View in CoL
- Upper basal cell (br) as long as lower basal cell (bm). Right surstylus not forked, pointed ........ bureschi Beschovski View in CoL
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