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 581 243
Algeria 900 321
Andorra 207 121
Armenia 284 153
Austria 1031 351
Azerbaijan 776 296
Azores (Pt.) 2 2
Belarus 514 226
Belgium 725 301
Bosnia and Herzegovina 206 125
Bulgaria 1112 359
Croatia 769 288
Cyprus 439 231
Czechia 910 343
Denmark 557 249
Egypt 398 204
Estonia 535 231
Faroe Islands 90 62
Finland 651 266
France 1601 452
France / Corsica 571 259
Georgia 802 309
Germany 1015 361
Gibraltar (UK) 2 2
Greece 1220 360
Greece / Crete 448 231
Hungary 815 319
Iceland 86 62
Ireland 429 212
Italy 1586 434
Italy / Sardinia 552 262
Italy / Sicily 513 240
Kosovo 282 149
Latvia 499 208
Libya 351 173
Liechtenstein 548 237
Lithuania 466 204
Luxembourg 497 231
Madeira (Pt.) 1 1
Malta 183 124
Moldova 372 176
Montenegro 286 168
Morocco 618 243
Netherlands 656 276
North Macedonia 834 287
Northern Ireland 319 174
Norway 642 272
Poland 854 328
Portugal 904 315
Romania 1017 336
Russia, Central 711 269
Russia, Eastern 889 308
Russia, Franz Jozef Land 2 2
Russia, Kaliningrad Region 223 131
Russia, Northern 624 237
Russia, Novaya Zemlya 23 13
Russia, Southern 1135 348
Russia, Western 440 196
Serbia 719 285
Slovakia 968 343
Slovenia 779 304
Spain 1440 417
Spain / Balearic Islands 360 195
Svalbard 18 14
Sweden 735 287
Switzerland 1018 353
Tunisia 400 220
Turkey (Asia) 1253 375
Turkey (Europe) 307 168
Ukraine 1114 365
United Kingdom 684 290
Total count for countries with several regions
Denmark (political) 577 257
France (political) 1705 459
Greece (political) 1321 370
Italy (political) 1748 450
Norway (political) 647 272
Russia (political) 1599 436
Spain (political) 1498 419
Turkey (political) 1284 381
United Kingdom (political) 684 290