''Yponomeuta rorrella'' (willow ermine moth) is a

lepidoptera Lepidoptera ( ) is an order (biology), order of insects that includes butterfly, butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 Family (biology), families and 46 Taxonomic r ...

n from the family

Yponomeutidae : ''Certain members of the unrelated snout moths (Pyralidae) are also known as "ermine moths." Spilosoma lubricipeda is an unrelated moth with the common name "white ermine."'' The family Yponomeutidae are known as the ermine moths, with severa ...

, the ermine moths, probably a migrant, but abundantly found in Britain, mostly concentrated in

Northumberland Northumberland () is a county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Abbey. It is bordered by land on ...

Identification

The moths are about 19–24 mm in size and have greyish-silvery wings with black spots.

Host plant

The host plant of this moth is, among others, the European spindle. Other ermine moths that use this plant as their host are '' Yponomeuta plumbella'' and ''

Yponomeuta cagnagella ''Yponomeuta cagnagella'', the spindle ermine, is a moth from the family Yponomeutidae : ''Certain members of the unrelated snout moths (Pyralidae) are also known as "ermine moths." Spilosoma lubricipeda is an unrelated moth with the common na ...

''.

External links

* http://www.montgomeryshiremoths.org.uk * http://www.suffolkmothgroup.org.uk Moths described in 1796 Yponomeutidae Moths of Europe {{Yponomeutidae-stub