Steatonyssus, Kolenati, 1858

Orlova, Maria V. & Anisimov, Nikolay V., 2023, Three new species of bat-parasitic gamasid mites of the genera Spinturnix, Macronyssus and Steatonyssus (Acari: Mesostigmata: Spinturnicidae, Macronyssidae) from Siberia and Mongolia, with keys to species of Russia and adjacent countries, Persian Journal of Acarology 12 (2), pp. 211-239 : 231-232

publication ID

https://doi.org/ 10.22073/pja.v12i2.76740

publication LSID

lsid:zoobank.org:pub:85ECC57C-CD02-4348-8560-9D4F845EE850

DOI

https://doi.org/10.5281/zenodo.8109366

persistent identifier

https://treatment.plazi.org/id/03EA87E4-FFF4-FF89-E698-F9779687641F

treatment provided by

Felipe

scientific name

Steatonyssus
status

 

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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