First reports of Sphaeronema alni parasitizing downy birch and Hemicycliophora aquatica in the UK

@inproceedings{Prior2010FirstRO,
  title={First reports of Sphaeronema alni parasitizing downy birch and Hemicycliophora aquatica in the UK},
  author={T. Prior and S. H. Hockland and Robert Lawson},
  year={2010}
}