Trichiscus
Creators: name: Azevedo, Celso O.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Bethylidae
Trichiscus

description: Key to species of Trichiscus
1. Hypopygeal posterior margin straight or concave, but not emarginated (Figs 13, 15, 21).............................. 2
- Hypopygeal posterior margin distinctly emarginated (Figs 11, 16, 20)............................................ 4
2. Basivolsella with spine-shaped median expansion; parameral basal expansion short (Figs 43, 66)...................... 3
- Basivolsella without spine-shaped expansion; parameral basal expansion longer than half length of paramere (Fig. 33)............................................................................................. T. denisi sp. nov.
3. Parameral basal expansion with apical spine (Fig. 64).............................................. T. ohli sp. nov.
- Parameral basal expansion without apical spine (Fig. 43)...................................... T. copelandi sp. nov.
4. Emargination of hypopygeal posterior margin short (Figs 10, 22)................................................ 5
- Emargination of hypopygeal posterior margin deep (Figs 14, 20)................................................ 7
5. Apical margin of clypeus narrow; aedeagal ventral ramus without spine-shaped apex (Figs 70, 71).......... T. jimi sp. nov.
- Apical margin of clypeus thick; aedeagal ventral ramus with spine-shaped apex......................... (Figs 25, 68)6
6. V entral lobe of aedeagal dorsal body with sharpened apex; outer lobe of aedeagal dorsal body with quadrate expansion (Fig. 68).................................................................................... T. camargoi sp. nov.
- Ventral lobe of aedeagal dorsal body with rounded apex; outer lobe of aedeagal dorsal body without quadrate expansion (Fig. 25)................................................................................... T. suzannae Benoît
7. Emargination of hypopygeal posterior margin short and wide (Fig. 16)............................. T. mourei sp. nov.
- Emargination of hypopygeal posterior margin deep and narrow (Fig. 17).......................................... 8
8. Basivolsella with large serrate spine-shaped basal expansion (Figs 37, 51)......................................... 9
- Basivolsella without spine-shaped basal expansion (Fig. 61)................................................... 10
9. Basivolsellar basal expansion not reaching base of digitus (Fig. 37)................................. T. briani sp. nov.
- Basivolsellar basal expansion reaching base of digitus (Fig. 51).................................... T. lynnae sp. nov.
10. Basal parameral expansion ill-defined, virtually absent (Fig. 61)................................ T. zuparkoi sp. nov.
- Basal parameral expansion conspicuous (Figs 30, 58)........................................................ 11
11. Aedeagal ventral ramus with spine-shaped apex (Figs 28, 59).................................................. 12
- Aedeagal ventral ramus with apex not spine-shaped (Figs 31, 48)............................................... 13
12. Basivolsella with two apical spines (Figs 57–58)................................................. T. luboi sp. nov.
- Basivolsella without apical spines (Figs 26–27)................................................. T. wittei (Benoît)
13. Basal parameral expansion subconical (Fig. 47); ventral pair and dorsal body of aedeagal dorsal body serrulate (Fig. 48).......................................................................................... T. normani sp. nov.
- Basal parameral expansion rectangular (Fig. 30); ventral pair and dorsal body of aedeagal dorsal body not serrulate (Fig. 31)........................................................................................ T. noorti sp. nov.
description: Published as part of Azevedo, Celso O., 2014, Revision of Trichiscus Benoît, 1956 (Hymenoptera, Bethylidae), pp. 318-334 in Zootaxa 3802 (3) on page 319, DOI: 10.11646/zootaxa.3802.3.2, http://zenodo.org/record/228357