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jorgemotalmeida: nice to hear! I know now that the recommended max width is 600px - I'll keep that in mind in future postings...

proctoss and Kahis: Thank you! I'd never have thought no1 and no2 to be different species. How do I tell these apart?

? Well, I guess I'll better have a good look at Grichanovs key to swedish dolichopodidae ;)

crex: tack f?r det!

//John