Loxosceles Heineken & Lowe 1832
Creators: name: Lotz, L. N.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Sicariidae
Loxosceles

description: Key to the Afrotropical species of the genus Loxosceles
Males
1. Embolus with a flattened spiral towards apex................................................................ 2
- Embolus with thin cylindrical shaft towards apex............................................................ 3
2. Basal part of embolus with a clear ridge (Fig. 17)................................................... L. spinulosa
- Basal part of embolus not clearly ridged (Fig. 2)............................................. L. dejagerae sp. nov.
3. Cymbium lengthened, much longer than pulp bulb (Figs 6, 9, 10, 16)............................................. 4
- Cymbium short, not much longer than pulp bulb (Figs 1, 3–5, 7, 8, 11–15, 18)..................................... 7
4. Lengthened part of cymbium with an angular bend near palp bulb (Figs 6, 9)...................................... 5
- Lengthened part of cymbium with smooth curve near palp bulb (Figs 10, 16)...................................... 6
5. Lengthened part of cymbium triangular (Fig. 9)..................................................... L. meruensis
- Lengthened part of cymbium cylindrical (Fig. 6).............................................. L. haddadi sp. nov.
6. Embolus base narrow at connection with bulb (Fig. 10)............................................... L. parramae
- Embolus base broad at connection with bulb (Fig. 16)............................................. L. speluncarum
7. Palp cymbium noticeably shorter than tibia length............................................................ 8
- Palp cymbium length close to tibia length................................................................. 14
8. Palp tibia length/height ratio more than 2.5................................................................. 9
- Palp tibia length/height ratio less than 2.5................................................................. 10
9. Embolus base broad at connection with bulb (Fig. 18).............................................. L. vonwredei
- Embolus base narrower at connection with bulb (Fig. 7)........................................... L. irishi sp. nov.
10. Palp tibia length/height ratio less than 2.0 (Fig. 12).................................................. L. rufescens
- Palp tibia length/height ratio more than 2.0 (Figs 3, 4, 8, 13)................................................... 11
11. Palp bulb width about half tibia length (Fig. 4).................................................. L. foutadjalloni
- Palp bulb width about a third tibia length (Figs 3, 8, 13)...................................................... 12
12. Palp patella less than half tibia length (Fig. 8)................................................. L. maraisi sp. nov.
- Palp patella more than half tibia length (Figs 3, 13).......................................................... 13
13. Palp femur/cymbium ratio more than 4.5 (Fig. 13).................................................... L. rufipes
- Palp femur/cymbium ratio less than 4.5 (Fig. 3)...................................................... L. fontainei
14. Palp femur shorter than patella + tibia length (Fig. 15).................................................. L. smithi
- Palp femur length equal to patella + tibia length (Figs 1, 5, 11, 14).............................................. 15
15. Embolus narrow at base (Figs 1, 14)...................................................................... 16
- Embolus broad at base (Figs 5, 11)....................................................................... 17
16. Embolus tapering from base to apex (Fig. 1)......................................................... L. bergeri
- Embolus very thing from base to apex (Fig. 14)..................................................... L. simillima
17. Broad basal part of embolus long (Fig. 11)............................................................ L. pilosa
- Broad basal part of embolus short (Fig. 5).................................................. L. griffinae sp. nov.
description: Published as part of Lotz, L. N., 2017, An update on the spider genus Loxosceles (Araneae: Sicariidae) in the Afrotropical region, with description of seven new species, pp. 475-494 in Zootaxa 4341 (4) on pages 476-477, DOI: 10.11646/zootaxa.4341.4.2, http://zenodo.org/record/1040541