FIGURE 2. Landscape of Monte Pellegrino, Palermo. Zootaxa 3134 © 2011 Magnolia Press · 3 FIGURE 3. Landscape of Cefalù, La Rocca, Palermo. FIGURE 4. Landscape of Monte Cofano, Trapani (by L. Barraco). FROM HELIX MAZZULLII COMPLEX TO ERCTELLA