| Authors |
| Santiago Castroviejo, Juan José Aldasoro & Marisa Alarcón (Madrid) |
| with contributions from |
| Ralf Hand (Berlin) |
| Taxonomic advice |
|
Gerald Parolly (Berlin) |
| Regional Advisers |
|
Mohamed Abouhadra (Tripoli); Libya Gianniantonio Domina (Palermo); Italy, Sardinia, Sicily Ralf Hand (Berlin); Cyprus Domenico Lucarini (Camerino); Italy, Sardinia, Sicily Adrian Oprea (Iaşi); Romania Luis Villar (Jaca); Spain Andriy V. Yena (Simferopol); Crimea |