Simulium, Latreille, 1802
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publication ID |
https://doi.org/ 10.12651/JSR.2020.9.2.174 |
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persistent identifier |
https://treatment.plazi.org/id/364287EE-FFCC-FFA6-FF28-2B3DFA66D53A |
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treatment provided by |
Felipe |
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scientific name |
Simulium |
| status |
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Key to genera and subgenera of Simulium View in CoL of Korean black flies
Pupa
1. Cocoon shoe, slipper or boot shaped ························· 3 Cocoon lacking definite shape (amorphous)·············· 2
2. Gill of 16 filaments in 3 short main trunk···················· ·································································· Prosimulium Gill of 16 filaments in 3 distinctly long and thick main trunk ································································ Twinnia
3. Gill of about 150-200 filaments arising from 3 main trunks······························································ Helodon Gill of less than 16 filaments ······· (Genus Simulium ) 4
4. Gill of 4 filaments ······················································ 5 Gill of 6 or more filaments········································· 7
5. Dorsalmost filament strongly divergent from other filaments, angle between them more than 90°················· ··································································· Eusimulium Dorsalmost filament not strongly divergent from other filaments, angle between them much less than 90°···· 6
6. Gill filaments longer than pupal body length. Gill filaments close together, the angle between dorsalmost filament and ventralmost filament about 45° ··············· ······················································· Nevermannia (part) Gill filaments shorter than pupal body length. Gill filaments separated, the angle between dorsalmost filament and ventralmost filament about 80° ···················· ······························································ Boreosimulium
7. Gill with ventralmost trunk distinctly longer than oth- er trunk ·········································· Nevermannia (part) Gill with all trunks subequal to equal in length ········· 8
8. Head with frontal trichomes 3 pairs····· Gomphostilbia Head with frontal trichomes 2 pairs··························· 9
9. Gill filament broad, thin-walled, ventralmost trunk distinctly longer than other trunk················· Wilhelmia Gill filament slender, thick-walled, all trunks subequal to equal in length··········································· Simulium
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