Symbiopsocus Li 1997
Creators: name: Ning, Jinjin
name: Li, Fasheng
name: Liu, Xingyue
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Psocodea
Psocidae
Symbiopsocus

description: Key to species of Symbiopsocus
Males
1. Hypandrium with one tier of lobes (Li 2002: Fig. 1262G)..................................................... 2
- Hypandrium with two or more tiers of lobes (Li 2002: Fig. 1263E).............................................. 3
2. Phallosome ovoid, basally expanded (Li 2002: Fig. 1262E).......................................... diplocyclus Li
- Phallosome long and narrow (Li 2002: Fig. 1268E–F)............................................... ternatus (Li)
3. Hypandrium with median tongue-like structure (Yoshizawa & Mockford 2012: Fig. 2C)............................. 4
- Hypandrium without median tongue-like structure (Yoshizawa 2008: Fig. 2C).................................... 10
4. Hypandrium with median tongue-like structure divided bilaterally with narrow notch posteriorly (Yoshizawa & Mockford 2012: Fig. 2C)........................................................................................ 5
- Hypandrium with median tongue-like structure not divided bilaterally with narrow notch posteriorly (Li 2002: Fig. 1264G).. ................................................................................................... 6
5. Median tongue-like structure of hypandrium with a pair of processes extending from dorsal surface near base of tongue directed postero-laterally (Yoshizawa & Mockford 2012: Fig. 2C)........................................ hastatus Mockford
- Median tongue-like structure of hypandrium without process extending from dorsal surface near base of tongue directed posterolaterally (Li 2002: Fig. 1270G)........................................................ multimacularis (Li)
6. Forewing with short spur vein (Li 2002: Figs 1271B, 1272B).................................................. 7
- Forewing without spur vein............................................................................. 8
7. Forewing Rs and M meeting at a point; phallosome long and narrow, not curved medially................. dolichosus (Li)
- Forewing Rs and M connected by a crossvein; phallosome curved medially, nearly with angle of 90° (Li 2002: Fig. 1272E–F)..................................................................................... septangulatus (Li)
8. Hypandrium with median tongue-like structure relatively large; phallosome curved (Li 2002: Figs 1264G, 1264E–F)................................................................................................. bicruris (Li)
- Hypandrium with median tongue-like structure smalle; phallosome long and narrow, not curved....................... 9
9. Hypandrium with a pair of spines on bottom of ventral lobe (Liu et al. 2014: Fig. 5)................ yangminus Liu & Liu
- Hypandrium without spines on bottom of ventral lobe.......................................... ophiocephalus (Li)
10. Hypandrium basally with fine spines (Li 2002: Fig. 1266G)................................................... 11
- Hypandrium basally smooth, without spines............................................................... 13
11. Ventral and dorsal lobes of hypandrium covered with minute denticles (Yoshizawa 2008: Fig. 2C)... formosanus (Okamoto)
- Ventral and dorsal lobes of hypandrium smooth (Li 2002: Fig. 1266G).......................................... 12
12. Hypandrium basally with five spines (Li 2002: Fig. 1266G)........................................ chaulommaus Li
- Hypandrium basally with an area of small spines (Li 2002: Fig. 1269F).............................. subrhombeus Li
13. Epiproct proximally flat..................................................................... longicaulis (Li)
- Epiproct proximally invaginated on each side.............................................................. 14
14. Hypandrium asymmetrical (Li 2005: Fig. 15E)....................................................... yajunae Li
- Hypandrium symmetrical.............................................................................. 15
15. Forewing with Sc ending in Rs................................................................ leptocladus Li
- Forewing with Sc ending free in membrane................................................................ 16
16. Epiproct anteromedially with a short cone-shaped projection (Liu et al. 2011: Fig. 6)............................... 17
- Epiproct anteromedially without cone-shaped projection......................................... quadripartitus Li
17. Hypandrium basally with sharp sclerotized region on each side (Liu et al. 2011: Fig. 5)................ furcatus Liu & Liu
- Hypandrium basally without a sharp sclerotized region (Fig. 3D)................................ vietnamicus sp. nov.
description: Published as part of Ning, Jinjin, Li, Fasheng & Liu, Xingyue, 2020, The first record of the bark louse genus Symbiopsocus (Psocodea: Psocidae) from Vietnam, with description of a new species, pp. 413-420 in Zootaxa 4759 (3) on page 414, DOI: 10.11646/zootaxa.4759.3.7, http://zenodo.org/record/3741276