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

description: Key to the species of the genus Stigmaeus of Crimea (females)
1. Central hysterosomal plate with 3 pairs of setae (c 1, d 1, e 1)..................................................... 2
- Central hysterosomal plate with 2 pairs of setae (c 1, d 1)...................................................... 4
2. Genua II and III with 4 and 1 setae respectively.............................................................. 3
- Genua II and III with 2 and without setae respectively................................................ S. longipilis
3. Dorsal setae thin, smooth........................................................................ S. solidus
- Dorsal setae thick, strongly barbed................................................................ S. glypticus
4. Median zonal plate entire.............................................................................. 5
- Median zonal plates paired.............................................................................. 6
5. Eyes present, suranal plate with 2 pairs of setae........................................................ S. unicus
- Eyes absent, suranal plate with 3 pairs of setae..................................................... S. elongatus
6. Eyes present......................................................................................... 7
- Eyes absent......................................................................................... 9
7. Femur II with 5 setae, dorsal plates reticulated.............................................................. 8
- Femur II with 4 setae, dorsal plates smooth.......................................................... S. pilatus
8. Auxillary plates fused with central propodosomal plate, most of dorsal setae long and pointed............... S. nikitensis
- Auxillary plates separated from central propodosomal plate, most of dorsal setae relatively short and blunt-ended...................................................................................................... S. corticeus
9. Suranal plate with 3 pairs of setae....................................................................... 10
- Suranal plate with 2 pairs of setae...................................................................... 13
10. Suranal plate entire.................................................................................. 11
- Suranal plate represented by 2 separate plates........................................................ S. planus
11. Lateral zonal plates very small, at least 4 times shorter than marginal plates...................................... 12
- Lateral zonal plates larger, about 2 times shorter than marginal plates.................................. S. pulchellus
12. Setae c 1 situated on small platelets, ratio ve / sci 1.1.............................................. S. purpurascens
- Setae c 1 situated on central hysterosomal plate, ratio ve / sci 1.4.................................... S. maraghehiensis
13. Supracoxal setae of palps (elcp) and legs I (elcl) seta-like (Figs. 28, 31)......................................... 14
- Supracoxal setae of palps and legs I peg-like (Figs. 12, 14).................................................. 15
14. Setae sce, d 2, e 2 long, smooth and pointed, similar to ve and c 2.................................. S. mitrofanovi sp. n.
- Setae sce, d 2, e 2 short, barbed and blunt-ended, similar to c 1and d 1.................................. S. silvestris sp. n.
15. Setae sce relatively short, blunt-ended, barbed in distal half, similar to c 1.................................. S. siculus
- Setae sce long, pointed, barbed in basal half, similar to ve ....................................... S. kuznetsovi sp. n.
description: Published as part of Khaustov, Alexander A., 2014, New species and new records of mites of the genus Stigmaeus (Acari: Prostigmata: Stigmaeidae) from Crimea, pp. 237-253 in Zootaxa 3794 (2) on pages 251-252, DOI: 10.11646/zootaxa.3794.2.3, http://zenodo.org/record/228091