Statistics
ArachnoTrAC Total Species, genera and families
Here you can find some of the most interesting numbers and statistics we already are finding on the diversity and distribution of Arachnids in the Tropical Andean Countries (ArachnoTrAC). These numbers are continuing growing all the time!
o
Araneae
Opiliones
Scorpiones
Pseudoscorpiones
Amblypygi
Schizomida
Solifugae
Ricinulei
Thelyphonida
Palpigradi
TOTAL
Families
75
20
7
16
3
1
2
1
1
1
126
Genera
718
?
25
72
5
9
14
1
2
1
847
Species
3931
565*
321
186
37
30
26
14
6
2
5118
Scorpiones list in ArachnoTrAC is not yet complete for Peru and Colombia
Opiliones list in ArachnoTrAC is still far to be complete. Do you want to help us with this? Contact!
* This number of harvestmen comes from 392 species from Venezuela plus 173 species from Colombia (Laniatores only) (Villarreal pers. obs. and unpublished data).
Total species per country
o
Araneae
Opiliones
Scorpiones
Pseudoscorpiones
Amblypygi
Schizomida
Solifugae
Ricinulei
Thelyphonida
Palpigradi
TOTAL
Colombia
1375
173
54
64
23
15
5
9
2
2
1722
Venezuela
931
392
187
63
10
9
5
2
4
0
1603
Ecuador
1098
?
49
61
6
5
4
2
0
0
1225
Peru
1231
?
45
42
5
1
13
1
0
0
1338
Bolivia
409
?
22
6
2
1
6
0
0
0
446
ArachnoTrAC Total % of the World Arachnid Richness
o
Araneae
Opiliones
Scorpiones
Pseudoscorpiones
Amblypygi
Schizomida
Solifugae
Ricinulei
Thelyphonida
Palpigradi
TOTAL
Families
54%
57%
32%
60%
60%
50%
17%
100%
100%
50%
51%
Genera
16%
?
11%
15%
29%
13%
10%
33%
12%
17%
16%
Species
8%
8%*
11%
4%
14%
8%
2%
14%
5%
1%
7.5%
In about 3.4% of the world's emerged surface! To see exact number of genera and species per family go to Spiders!
Opiliones list in ArachnoTrAC is still far to be complete. Do you want to help us with this? Contact!
* This number of harvestmen comes from 392 species from Venezuela plus 173 species from Colombia (Laniatores only) (Villarreal pers. obs. and unpublished data).