Hydrometra
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publication ID |
https://doi.org/ 10.11646/zootaxa.3779.5.1 |
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publication LSID |
lsid:zoobank.org:pub:6B08D969-5277-4CFE-8F90-DAB07755D272 |
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DOI |
https://doi.org/10.5281/zenodo.6124803 |
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persistent identifier |
https://treatment.plazi.org/id/0B5E8796-FFB4-FF80-AE96-0694FA5F84ED |
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treatment provided by |
Plazi |
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scientific name |
Hydrometra |
| status |
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Key to the species of Hydrometra View in CoL from India
1. Abdominal tergum 8 rectangluar; sternites 7 or both 7 and 8 with setal tuft, setal patch, protuberance, thorn-like structure, dispersed long hairs (males)................................................................................ 2
- Abdominal tergum 8 sub-triangluar; sternites 7 or both 7 and 8 without any specialized characters like setal tuft, setal patch, protuberance, thorn-like structure or dispersed long hairs (females).............................................. 6
2. Males. Anteclypeus broad with anterior margin slightly concave medially, maxillary plate extending in front of anteclypeus ( Fig. 2D View FIGURES 2 A – H ), body dark brown to black colour. 7th sternite with a pair of setal patches near posterior region and 8th abdominal sternite with a pair of setal tuft near anterior region ( Figs. 4C View FIGURES 4 A – H , 5C View FIGURES 5 A – H )............................. H. cherukolensis View in CoL sp. nov.
- Anteclypeus conical, body yellow to dark brown colour....................................................... 3
3. Seventh abdominal sternite with a pair of thorn-like processes, caudal process short ( Fig. 6 View FIGURES 6 A – E C-E)....... H. okinawana Drake View in CoL
- Seventh abdominal sternite without thorn-like processes, but with dispersed setae or patch of setae; caudal process long.... 4
4. Seventh abdominal sternite not swollen but with transverse depression medially; sternites 6 and 7 with dispersed long setae, pronounced in segment 7 ( Fig. 4E View FIGURES 4 A – H , 5E View FIGURES 5 A – H )...................................................... H. greeni Kirkaldy View in CoL
- Seventh abdominal sternite swollen, with a pair of setal patches ( Figs. 4A,G View FIGURES 4 A – H ; 5A,G)................................. 5
5. Lateral margin of setal patch on seventh abdominal sternite lined with long curved hairs; posterior part of sixth sternite and the whole seventh abdominal sternite with dispersed setae ( Figs. 4G View FIGURES 4 A – H , 5G View FIGURES 5 A – H )......................... H. nicobarensis View in CoL sp. nov.
- Sixth and seventh abdominal sternites without dispersed setae, seventh abdominal sternite with a pair of small round patch of short setae and a row of little longer setae adjacent to setal patch continued postero-laterally ( Figs. 4A View FIGURES 4 A – H , 5A View FIGURES 5 A – H )......................................................................................... H. butleri Hungerford and Evans View in CoL
6. Females. Anteclypeus broad with anterior margin concave medially; posterior region of sternite 7 triangularly produced, partly covering gonocoxae medially, without any characteristic hairs; caudal process is straight caudad, ( Figs. 3D View FIGURES 3 A – H , 4D View FIGURES 4 A – H , 5D View FIGURES 5 A – H )........................................................................................ H. cherukolensis View in CoL sp. nov.
- Anteclypeus conical, posterior region of sternite 7 clothed with dense short procumbent hairs; caudal process straight caudad, ventrocaudad, slightly dorsocaudad....................................................................... 7
7. Subapex of sternite 7 with a shallow, half-circle depression; caudal process is slightly dorsocaudad, anterior margin in lateral view convexed ( Figs. 4H View FIGURES 4 A – H , 5H View FIGURES 5 A – H )........................................................ H. nicobarensis View in CoL sp. nov.
- Subapex of sternite 7 without any depression; caudal process is straight caudad, ventrocaudad......................... 8
8. Caudal process is ventrocaudad, posterior region of tergite 7 raised, margin bordered with short hairs ( Figs. 3F View FIGURES 3 A – H , 4F View FIGURES 4 A – H , 5F View FIGURES 5 A – H )........................................................................................... H. greeni Kirkaldy View in CoL
- Caudal process is straight caudad......................................................................... 9
9. Caudal process stout, with fringe of hairs ( Figs. 3B View FIGURES 3 A – H , 4B View FIGURES 4 A – H , 5B View FIGURES 5 A – H )......................... H. butleri Hungerford and Evans View in CoL
- Caudal process slender, without characteristic fringe of hairs................................... H. okinawana Drake View in CoL
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.