Siphoninus phillyreae

Alternative names
Ash Whitefly

Adults are pale yellowy-white in colour. Puparia are about 1 mm, oval, yellowish white, often medially with an elongated dark spot; dorsally a number of tubular filaments, each with a clear drop of honeydew at its tip and can be found on the undersides of the leaves.

Identification difficulty

Adult Puparia

Recording advice

Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Puparia: Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.


Associated with a number of trees and bushes including Hawthorn, Cotoneaster, Apple, Plum, Pear and Ash and most likely to be found where these species are present.

When to see it

Puparia may be seen when the host trees are in leaf.

UK Status

Status in Britain is difficult to determine due to lack of records.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map