Submit a Specific Pest or Disease Report
If you are confident you know what the pest or disease is then please use one of the specific pest or disease reports below. These will take you through a set of questions that will attempt to confirm (or not) the pest or disease and gather more information specific to the selected pest or disease.
If you are unsure of what you have seen, or think you have seen a pest or disease that does not appear on the list below, then please submit a general report.
![Chalara Dieback of Ash](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/chalara-peter-crow-60.jpg)
Chalara Dieback of Ash
![Dothistroma Needle Blight](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/dnb-sp-littlemill-wood-foresty-comission-60.jpg)
Dothistroma Needle Blight
![Acute Oak Decline](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/pic_-_aod_very_close_up_single_stem_bleed-scaled-60.jpg)
Acute Oak Decline
![Phytophthora lateralis](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/p-lateralis-ana-pérez-sierra-forest-research-60.jpg)
Phytophthora lateralis
![Asian Longhorn Beetle or Citrus Longhorn Beetle](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/alb-george-gate-forest-research-rotated-60.jpg)
Asian Longhorn Beetle or Citrus Longhorn Beetle
![Oak Processionary Moth](https://treealert.forestresearch.gov.uk/images/pests-and-diseases/opm-forestry-commission-60.jpg)