Spotted lanternfly

Symptoms

Large planthopper (adults ~25 mm) with grey forewings dotted black and bright red-and-black hindwings; masses of insects on trunks, weeping sap, black sooty mould growing on the honeydew, and grey putty-like egg masses on bark, stone and outdoor surfaces.

Plants affected

• grape vine
• rose
• English walnut
• Red maple
• Sugar maple

Common questions

How do I recognise Spotted lanternfly on grape vine?

Large planthopper (adults ~25 mm) with grey forewings dotted black and bright red-and-black hindwings; masses of insects on trunks, weeping sap, black sooty mould growing on the honeydew, and grey putty-like egg masses on bark, stone and outdoor surfaces.

Do I have to report Spotted lanternfly?

No. Spotted lanternfly is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.

How is Spotted lanternfly treated?

Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.