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John, BINGO!
My impressions from memory were certainly illusory, if not actually delusional. In fact I could hardly believe that it was in the Chloropidae. To the best of my memory, I never even had heard of the genus Rhodesiella. But of course I did a bit of surfing and found those striking scutella, plus mating assemblies that were more abruptly persuasive of Chloropidae than any morphology could be!
That was at
http://baba-insects.blogspot.com/2013/11/blog-post_9.html
though you have to page down a bit to see the serried ranks effect.
Many thanks from me and my friend. At least I now know it wasn't my failing memory. :)
(Now all I need do is work out what it was that I REALLY forgot! :| )