Ochyroceratidae Fage 1912
Creators: name: Liu, Chang
name: Li, Fengyuan
name: Li, Shuqiang
name: Zheng, Guo
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Ochyroceratidae

description: Family Ochyroceratidae Fage, 1912
Key to the genera of the subfamily Psilodercinae (males only).
1. Cheliceral promargin with 1–2 large teeth and a lamina; maxillae mesodistally rounded....................................................................2 Cheliceral promargin with a dentoid lamina; maxillae mesodistally acuminate................................................................................... 4
2. Thoracic fovea a deep groove extending to posterior margin of carapace; cymbium with lateral protrusion bearing lanceolate apophysis and three slightly curved serrated bristles distally; bulb with embolus and conductor widely separated basally .................. .................................................................................................................................................................................. Althepus Thorell Fovea short or a simple depression; cymbium lacking lateral protrusion and lanceolate apophysis; bulb with conductor present or absent, if present embolus and conductor not widely separated basally...............................................................................................3
3. Palp with retrolateral protrusion on tibia or cymbium; conductor present ......................................... Leclercera Deeleman-Reinhold Palp without retrolateral protrusion on tibia or cymbium; conductor absent........................................ Luzonacera Li & Li, gen. nov.
4. Cymbium without apical protrusion..................................................................................................................................................... 5 Cymbium with apical protrusion.......................................................................................................................................................... 6
5. Embolus long; conductor present or absent, if present then separated basally from embolus; cheliceral retromargin with one small tooth ....................................................................................................................................................... Sinoderces Li & Li, gen. nov. Embolus short; conductor absent; cheliceral retromargin with two transparent small teeth.................. Thaiderces Li & Li, gen. nov.
6. Clypeus medially with trifurcate projection; conductor present; cheliceral retromargin with two small teeth....................................... ............................................................................................................................................................. Relictocera Li & Li, gen. nov. Clypeus medially with horn-shaped projection or unmodified; conductor present or absent; cheliceral retromargin with one or two small teeth ............................................................................................................................................................................................7
7. Palpal tibia deflected prolaterally; bulb with complex conductor ........................................................................................................8 Palpal tibia not deflected prolaterally; conductor otherwise................................................................................................................. 9
8. Embolus slender; abdomen oriented nearly perpendicular to thorax; cheliceral retromargin with two small teeth................................ ........................................................................................................................................................................ Flexicrurum Tong & Li Embolus short; abdomen oriented in line with thorax; cheliceral retromargin with one small tooth ... Qiongocera Li & Li, gen. nov.
9. Conductor present or absent, if present then embolus and conductor not separated basally .................................... Psiloderces Simon Conductor present or absent, if present then separated basally from embolus ........................................................... Merizocera Fage
description: Published as part of Liu, Chang, Li, Fengyuan, Li, Shuqiang & Zheng, Guo, 2017, Five new genera of the subfamily Psilodercinae (Araneae: Ochyroceratidae) from Southeast Asia, pp. 395-417 in Zoological Systematics 42 (4) on page 397, DOI: 10.11865/zs.201717, http://zenodo.org/record/5585652