Wisteria scale (Eulecanium excrescens) records acquired by the Royal Horticultural Society

The data set consists of records of Wisteria scale (Eulecanium excrescens),in Britain and Ireland gathered by the RHS, from members of the Society, the general public, and those submitted to the Food and Environmental Research Agency (Fera, prior to 2013).
Records of Eulecanium excrescens have been collected via RHS Gardening Advice (predominantly from RHS members) and Fera.

A summary of the records up to Spring 2010 can be found in two published papers:
Malumphy, C.P. 2005. Eulecanium excrescens (Ferris) (Hemiptera: Coccidae), an Asian pest of woody ornamentals and fruit trees, new to Britain. British Journal of Entomology and Natural History. 18:45-49. Additional infomation can be found at https://www.rhs.org.uk/advice/profile?PID=508
Salisbury, A., Halstead, A.J. and Malumphy, C. 2010. Wisteria scale, Eulecanium excrescens (Ferris), (Hemiptera: Coccidae) spreading in south east England. British Journal of Entomology and Natural History. 23:225-228.