Comment on ‘A world without males: How the elm zigzag sawfly is benefiting from their absence’, Dr Max Blake, Forest Research by wtdigital

Hi Claire,
If you could please report this to Tree Alert https://treealert.forestresearch.gov.uk/ this will go straight to the tree health teams at Forest Research. This could be a cause for concern if this was an Elm Zigzag Sawfly and was released in an area it is currently not found in.
Many thanks
Charlotte

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