Eustigmaeus
Creators: name: Khaustov, Alexander A.
name: Tolstikov, Andrei V.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Prostigmata
Stigmaeidae
Eustigmaeus

description: Key to species of the genus Eustigmaeus of Russia (females)
1. 1–2 pairs of callosities present between idiosomal and humeral plates........................................... 2
- Callosities absent..................................................................................... 4
2. Setae 4 a present, 2 pairs of callosities present.............................................................. 3
- Setae 4 a absent, 1 pair of callosities present....................................................... E. parvisetus
3. Distance between bases of setae d 1 – d 1 only slightly longer than distance c 1 – c 1, dorsal idiosomal plates almost smooth.............................................................................................. … E. rhodomela
- Distance between bases of setae d 1 – d 1 more than 2 times longer than distance c 1 – c 1, dorsal idiosomal plates with large lateral and small medial dimples............................................................ E. tjumeniensis sp. nov.
4. Eyes present........................................................................................ 5
- Eyes absent................................................................................ E. coronaria
5. Dorsal setae brush-shaped............................................................................. 6
- Dorsal setae of another shape........................................................................... 7
6. Femur IV with 4 setae...................................................................... E. anauniensis
- Femur IV with 5 setae......................................................................... E. plumifer
7. Dorsal setae clavate................................................................................... 8
- Dorsal setae saber-like or baculiform..................................................................... 9
8. Setae 4 a present, 3 pairs of aggenital setae.......................................................... E. clavata
- Setae 4 a absent, 2 pairs of aggenital setae....................................................... E. jiangxiensis
9. 1 or 3 pairs of aggenital setae present, dorsal setae saber-like................................................. 10
- 2 pairs of aggenital setae present, dorsal setae baculiform............................................. E. collarti
10. 3 pairs of aggenital setae present........................................................................ 11
- 1 pair of aggenital setae present................................................................... E. segnis
11. 3 pairs of pseudanal setae present............................................................. E. ioanninensis
- 4 pairs of pseudanal setae present................................................................. E. pinnata
description: Published as part of Khaustov, Alexander A. & Tolstikov, Andrei V., 2014, A new species and new records of the genus Eustigmaeus (Acari: Prostigmata: Stigmaeidae) from Western Siberia, pp. 531-553 in Zootaxa 3861 (6) on pages 551-552, DOI: 10.11646/zootaxa.3861.6.2, http://zenodo.org/record/226041