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 580 240
Algeria 898 318
Andorra 207 120
Armenia 282 151
Austria 1035 347
Azerbaijan 747 279
Azores (Pt.) 1 1
Belarus 514 224
Belgium 721 296
Bosnia and Herzegovina 182 110
Bulgaria 1109 350
Croatia 771 284
Cyprus 437 231
Czechia 901 336
Denmark 562 251
Egypt 403 204
Estonia 538 230
Faroe Islands 90 62
Finland 658 268
France 1602 445
France / Corsica 559 255
Georgia 795 299
Germany 1014 357
Gibraltar (UK) 2 2
Greece 1223 353
Greece / Crete 449 232
Hungary 812 314
Iceland 86 62
Ireland 429 211
Italy 1587 427
Italy / Sardinia 551 258
Italy / Sicily 505 235
Kosovo 244 132
Latvia 501 207
Libya 312 160
Liechtenstein 548 235
Lithuania 476 206
Luxembourg 497 229
Madeira (Pt.) 1 1
Malta 183 124
Moldova 369 173
Montenegro 287 168
Morocco 514 218
Netherlands 650 272
North Macedonia 834 283
Northern Ireland 318 172
Norway 642 270
Poland 852 324
Portugal 899 309
Romania 1023 332
Russia, Central 710 265
Russia, Eastern 875 295
Russia, Franz Jozef Land 2 2
Russia, Kaliningrad Region 216 128
Russia, Northern 605 230
Russia, Novaya Zemlya 23 13
Russia, Southern 1127 339
Russia, Western 445 195
Serbia 773 297
Slovakia 972 338
Slovenia 782 302
Spain 1414 406
Spain / Balearic Islands 354 191
Svalbard 18 14
Sweden 735 285
Switzerland 1016 350
Tunisia 403 221
Turkey (Asia) 1216 364
Turkey (Europe) 278 167
Ukraine 1125 359
United Kingdom 685 287
Total count for countries with several regions
Denmark (political) 581 259
France (political) 1705 451
Greece (political) 1324 363
Italy (political) 1749 443
Norway (political) 647 270
Russia (political) 1574 426
Spain (political) 1472 408
Turkey (political) 1249 370
United Kingdom (political) 685 287