We thank all colleagues who collaborated in the field work: P. Audisio, M. Biondi, P. Bombi, E. Calvario, A. Casale, P. De Salvo, P. Giachino, C. Manicastri, C. Marangoni, B. Osella, P. Scaramozzino, A. Vigna Taglianti and M. Zapparoli. We are also grateful to the following entomologists for the loan of specimens or for the permission to examine their collections, listed in the Material and methods paragraph: M.E. Bacchus (previously at London), C. Besuchet (previously at Geneva), F. Cassola (Rome), M. Daccordi (Turin, previously at Verona), P. Giachino (Turin), C. Girard (Paris), M.A. Jäch (Vienna), Z. Kaszab (Budapest), S. Krejcik Unicov, Czech Republic), C. Leonardi (Milan), A. Liberto (Rome), J. Lückmann (Bensheim), O. Merkl (Budapest), B. Osella (L’Aquila, previously at Verona), T. Pavlicek (Haifa), J. Pinto (Waldport, Oregon; previously at Riverside), R. Poggi (Geneva), E. Ratti (Venice), J.-C. Ringenbach (Pau, France); J. Scheuern (Munich), A. Vigna Taglianti (Rome) and P. Weill (Pau, France).
Received: 27 August 2008
Accepted: 16 November 2008
Published online: 22 December 2008