I am having great trouble in finding anyone who can translate S Glumac's interesting sounding paper on The Problem of Mimicry in the Syrphidae (1962) Arhiv Bioloskih Nauka 14: 61-67. Does anyone happen to have a translation of this work, and would be willing to share it ? Thanks Francis Dr Francis Gilbert Tel 0115-951-3215 Fax 3251 Internet home page http://ibis.nott.ac.uk/~plzfg/francisg.html