Steatonyssus, Kolenati, 1858
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publication ID |
https://doi.org/ 10.22073/pja.v12i2.76740 |
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publication LSID |
lsid:zoobank.org:pub:85ECC57C-CD02-4348-8560-9D4F845EE850 |
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DOI |
https://doi.org/10.5281/zenodo.8109366 |
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persistent identifier |
https://treatment.plazi.org/id/03EA87E4-FFF4-FF89-E698-F9779687641F |
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treatment provided by |
Felipe |
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scientific name |
Steatonyssus |
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Key to species of the genus Steatonyssus View in CoL View at ENA of Russia and adjacent countries (males)
1. Ventral sclerotization undivided ................................................................................................... 3
– Ventral sclerotization divided ....................................................................................................... 2
2. Setae St4 situated on unsclerotized cuticle, idiosoma with 10-15 dorsal and eight ventral pairs of setae ........................................................................................... S. pseudoheteroventralis sp. nov.
– St4 situated on sternogenitoventral shield, idiosoma with 25 dorsal and 13 ventral pairs of setae. .............................................................................................................................. S. heteroventralis View in CoL
3. Two dorsal plates .......................................................................................................... S. superans View in CoL
– Single dorsal plate ......................................................................................................................... 4
4. Setae Z5 long ................................................................................................................................. 5
– Setae Z5 short ................................................................................................................................ 6
5. Dorsal plate with 23–24 pairs of setae; holoventral plate slightly widens posteriorly to coxae IV; anterior seta on coxae III resembles a fish tail .............................................................. S. spinosus View in CoL
– Dorsal plate with 25 pairs of setae; holoventral plate narrow, without widening posteriorly to coxae IV; anterior seta on coxae III usual ................................................................................ S. noctulus View in CoL
6. Peritremes reaching middle of coxae III ....................................................................................... 7
– Peritremes reaching anterior margins of coxae III or posterior margins of coxae II .................... 8
7. Dorsal plate with 18 pairs of setae; anterior seta on coxa III usual ............................. S. desertorus View in CoL
– Dorsal plate with 19 pairs of setae; anterior seta on coxae III variable ........................................ 6
8. Anterior seta on coxa is III spur-like, with ridge-like thickening .................. S. occidentalis evansi View in CoL
– Anterior seta on coxa III usual ...................................................................................................... 9
9. Dorsal plate clearly divided into podosomal and opisthosomal parts, these parts closely connected by a transverse furrow ................................................................................................ S. mongolicus View in CoL
– Dorsal plate undivided ................................................................................................................ 10
10. Dorsal plate with 16 pairs of setae; anterior seta on coxae III usual …………………..…. S. cavus View in CoL
– Dorsal plate with 19–20 pairs of setae; anterior seta on coxae III looks like a fish tail ................ .............................................................................................................................. S. periblepharus View in CoL
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