<style face="normal" font="default" size="100%">Was it a migration - the exceptional abundance of the large white butterfly Pieris brassicae (L.) in 1992.</style>

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0<style face="normal" font="default" size="100%">Was it a migration - the exceptional abundance of the large white butterfly Pieris brassicae (L.) in 1992.</style><style face="normal" font="default" size="100%">Was it a migration - the exceptional abundance of the large white butterfly Pieris brassicae (L.) in 1992.</style>