Cybaeus L. Koch 1868
Creators: name: Lee, Sue Yeon
name: Yoo, Jung Sun
name: Kim, Seung Tae
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Cybaeidae
Cybaeus

description: Genus Cybaeus L. Koch, 1868
Type species: Amaurobius tetricus C. L. Koch, 1839.
Diagnosis. See Paik (1978), Copley et al. (2009), Bennett (2017) and Bennett et al. (2020).
Key to the males of Korean Cybaeus species
1. PA without peg setae................................................................................... 2
- PA with peg setae..................................................................................... 3
2. PCo of the conductor conspicuously extended and protruding out of the cymbium.................... C. triangulus Paik
- PCo of the conductor short and not protruding out of the cymbium................................... C. longus Paik
3. Abdominal dorsum pale or light without a pattern............................................................ 4
- Abdominal dorsum dark and with patterns................................................................. 8
4. A cuticular spine present on the retrolateral surface of the palpal tibia............................................ 5
- Cuticular spine absent on the retrolateral surface of the palpal tibia.............................................. 6
5. Embolus long and curved windingly, conductor narrow, PA with 3 peg setae................... C. vanimaculatus sp. nov.
- Embolus short and curved smoothly, conductor conspicuously wide, PA with 4 peg setae............... C. auriculatus Seo
6. Embolus wrapped by the PCo, cymbial furrow present, PA with 10 peg setae.......... C. whanseunensis Paik et Namkung
- Embolus separated from the PCo, cymbial furrow absent, PA with 2–4 peg setae................................... 7
7. RTA 2/3 of tibia length, PCo small and beak-shaped, PA with 2 peg setae............................... C. parvus Seo
- RTA 4/5 of tibia length, PCo conspicuously large and ladle-shaped, PA with 4 peg setae...... C. pseudoauriculatus sp. nov.
8. Abdominal dorsum with mottled pattern, embolus conspicuously short, PA with 18 peg setae.............. C. Oaensis Seo
- Abdominal dorsum with spots and chevrons, embolus short or long, PA with 9–49 peg setae.......................... 9
9. PA quadrangle, conductor plow-shaped, PCo roundly depressed, cymbial furrow present, PA with 44 peg setae............................................................................................. C. aratrum Kim et Kim
- PA blunt, conductor auricle-shaped, PCo otherwise, cymbial furrow absent....................................... 10
10. Embolus wrapped by the PCo, 9 retromarginal teeth......................................................... 11
- Embolus separated from the PCo, 7–8 retromarginal teeth.................................................... 12
11. PCo twisted and arrowhead-shaped, PA with 49 peg setae........................................ C. geumensis Seo
- PCo straight and beak-shaped, PA with 12 peg setae................................. C. mosanensis Paik et Namkung
12. Seven retromaginal teeth.............................................................................. 13
- Eight retromarginal teeth.............................................................................. 14
13. Palpal tibia longer than patella, conductor narrow, Pa with 13 peg setae............................ C. culter. sp. nov.
- Palpal tibia shorter than patella, conductor wide, PA with 31 peg setae............................. C. ilweolensis Seo
14. Palpal tibia longer than patella, conductor narrow, PCo beak-shaped, PA with 21 peg setae....... C. yeongwolensis sp. nov.
- Palpal tibia shorter than patella, conductor wide, PCo arrowhead-shaped........................................ 15
15. Embolus long and almost close to the PCo, PA with 31 peg setae.................................. C. jogyensis Seo
-. Embolus short and extends to the middle of the conductor.................................................... 16
16. PCo large, RTA 4/5 of tibia length, PA with 35 peg setae....................................... C. seorakensis Seo
- PCo small, RTA length otherwise....................................................................... 17
17. Cymbial tip long, RTA 2/3 of tibia length, PA with 9 peg setae................................... C. songiensis Seo
- Cymbial tip short, RTA 1/2 of tibia length, PA with 13 peg setae.................................... C. jiriensis Seo
description: Published as part of Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2021, Four new epigean spiders of the genus Cybaeus (Araneae: Cybaeidae) from South Korea, pp. 458-468 in Zootaxa 4966 (4) on page 459, DOI: 10.11646/zootaxa.4966.4.4, http://zenodo.org/record/4738778