Vladimir Mironov, Ph.D. (1992), is an entomologist at the Zoological Institute of the Russian Academy of Sciences who has published many papers on the Eupithecia of the Palaearctic and Oriental Regions, and a monograph (2003) The Geometrid Moths of Europe, Vol. 4 (Larentiinae: Perizomini and Eupitheciini)Sir Anthony Galsworthy is a classical graduate of Cambridge University and retired diplomat, previously British ambassador in China. A scientific associate of the Natural History Museum, London, he has authored or co-authored numerous papers on the Geometridae.