Europe - Species numbers

The distribution of spider species numbers in Europe follows the common situation of high species diversity in the Mediterranean part and lower species numbers towards North. In addition, low species numbers such as in Portugal, many Balkan countries, Greece and Turkey probably indicate research gaps.
References

Tabular data

Country / region Number of species Number of genera
Albania 576 239
Algeria 823 309
Andorra 207 120
Armenia 229 130
Austria 1034 345
Azerbaijan 724 276
Azores (Pt.) 1 1
Belarus 513 224
Belgium 741 302
Bosnia and Herzegovina 180 109
Bulgaria 1100 350
Croatia 767 282
Cyprus 433 230
Czechia 902 337
Denmark 562 250
Egypt 390 198
Estonia 527 226
Faroe Islands 90 62
Finland 657 268
France 1598 441
France / Corsica 555 251
Georgia 618 250
Germany 1011 356
Greece 1196 349
Greece / Crete 447 229
Hungary 809 312
Iceland 84 60
Ireland 427 211
Italy 1578 424
Italy / Sardinia 540 255
Italy / Sicily 435 206
Kosovo 169 112
Latvia 501 207
Libya 303 154
Liechtenstein 530 230
Lithuania 476 207
Luxembourg 497 229
Madeira (Pt.) 2 2
Malta 148 107
Moldova 294 149
Montenegro 672 276
Morocco 483 203
Netherlands 648 270
North Macedonia 822 281
Northern Ireland 318 172
Norway 642 270
Poland 848 322
Portugal 860 305
Romania 1019 329
Russia, Central 687 263
Russia, Eastern 859 291
Russia, Franz Jozef Land 2 2
Russia, Kaliningrad Region 215 127
Russia, Northern 608 231
Russia, Novaya Zemlya 23 13
Russia, Southern 1007 324
Russia, Western 446 195
Serbia 762 295
Slovakia 961 335
Slovenia 754 294
Spain 1381 402
Spain / Balearic Islands 346 190
Svalbard 18 14
Sweden 735 285
Switzerland 1012 349
Tunisia 386 214
Turkey (Asia) 1130 351
Turkey (Europe) 292 175
Ukraine 1086 351
United Kingdom 680 283
Total count for countries with several regions
Denmark (political) 581 258
France (political) 1701 446
Greece (political) 1297 362
Italy (political) 1716 438
Norway (political) 647 270
Russia (political) 1521 423
Spain (political) 1441 404
Turkey (political) 1164 358
United Kingdom (political) 680 283