Protimesius
Creators: name: Bragagnolo, Cibele
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Opiliones
Stygnidae
Protimesius

description: Key to males of Protimesius species (Modified from Kury & Pinto-da-Rocha, 2008)
Remark: Males of P. coxalis (Roewer, 1931) and P. palpalis are unknown.
1. Femur IV without tubercles.............................................................................. 2
- Femur IV tuberculate................................................................................. 3
2. Tibia IV armed with two ventroapical tubercles (Pinto-da-Rocha, 2000, fig. 3).............................. P. apiacas
- Tibia IV unarmed (Pinto-da-Rocha, 1997, fig. 401)............................................... P. longipalpis
3. Trochanter IV with one dorsal, long and acute tubercle (Fig. 2 A)................................................ 4
- Trochanter IV without an acute and long tubercle............................................................ 6
4. Femur IV with ventral row of tubercles.................................................................... 5
- Femur IV without ventral row of tubercles (Fig. 3 D).............................................. P. jirau sp. nov.
5. One ventral row of similar-sized tubercles of on ventral femur IV; dorsal region smooth........................ P. cirio
- Two ventral rows of tubercles on femur IV (longer tubercles on middle); dorsal region with one row (Pinto-da-Rocha, 1997, figs 392 and 393)............................................................................... P. laevis
6. Patella IV with a dorsal row of tubercles (at least four)....................................................... 7
- Patela IV without a dorsal row of tubercles................................................................ 12
7. Tibia IV with a dorsal row of acute tubercles................................................................ 8
- Tibia IV without dorsal tubercles........................................................................ 10
8. Tibia IV with ventral row of tubercles (continuous with the apical retrolateral row) (Pinto-da-Rocha, 1997, fig. 377)....... 9
- Tibia IV without ventral row of tubercles (only the apical retrolateral row) (Fig. 2 D)................... P. regalo sp. nov.
9. Tibia IV with one dorsal row of tubercles from the base almost to the apex; prosoma with medio-anterior mound (Pinto-da- Rocha, 1997, figs 371 and 376)................................................................. P. evelineae
- Tibia IV with one dorsal row of tubercles on 1/3 basal; prosoma without medio-anterior mound (Pinto-da-Rocha, 1997, figs 371 and 376).............................................................................. P. foliadereis
10. Femur IV with ventral row of tubercles................................................................... 11
- Femur IV without ventral row of tubercles (Pinto-da-Rocha & Villareal-Manzanilla, 2009, fig. 9)............. P. bahiensis
11. Femur IV with ventral row small tubercles on 1/5 apex (Pinto-da-Rocha, 1997, fig. 392).................. P. amplichelis
- Femur IV with one ventral retrolateral row of tubercles on2/3 apical (Villareal-Manzanilla & Pinto-da-Rocha, 2006, fig.21)............................................................................................. P. boibumba
12. Tibia IV clavate; femur IV with two small lateral rows of tubercles at base (Villareal-Manzanilla & Pinto-da-Rocha, 2006, fig. 13)........................................................................................... P. junina
- Tibia IV cylindrical and femur without lateral rows of tubercles at base......................................... 13
13. Tibia IV without tubercles.............................................................................. 14
- Tibia IV tuberculate................................................................................. 16
14. Femur IV very tuberculate in all regions (Pinto-da-Rocha 1997, figs 408 and 409)...................... P. mendopticus
- Femur IV only with tubercles on ventro-apical region or smooth.............................................. 15
15. Femur IV with tubercles on ventro-apical region (Villareal-Manzanilla & Pinto-da-Rocha,2006, fig. 35)....... P. c a r n a v a l
- Femur IV smooth............................................................................ P. o s v a l d o i
16. Leg IV short (30 mm) and tuberculate on all sides (Pinto-da-Rocha 1997, fig. 378)......................... P. gracilis
- Leg IV long (37-41 mm) and weakly tuberculate (lateral and dorsal regions of femur and tibia smooth)................ 17
17. One white band on posterior margin of dorsal scute................................................ P. albilineatus
- Two white spots on posterior margin of dorsal scute............................................. P. trocaraincola
description: Published as part of Bragagnolo, Cibele, 2013, Two new species of Protimesius from northern Brazil (Opiliones: Laniatores: Stygnidae), pp. 283-292 in Zootaxa 3620 (2) on pages 285-286, DOI: 10.11646/zootaxa.3620.2.6, http://zenodo.org/record/223123