Black-veined White (Aporia crataegi)
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© Eddie John
The Black-veined White became extinct in Britain in 1925 despite there being no apparent lack of suitable habitat. It is still widespread common in many parts of mainland Europe, though declining in some areas. All attempts at re-introduction to Britain have so far failed. Larvae feed on various rosaceous trees and shrubs. (For further details on this species see http://www.butterfly-conservation.org/).
Status : Insufficient information
Status details : Insufficient information
Log collated index plot
This chart shows the index of abundance (LCI = Log Collated Index) over time. It shows fluctuations in
populations from year to year, and is scaled so that the average index over the whole series is equal to 2
(horizontal line). For greater detail about how this index is derived, click on the green question mark above.
Trend description :
There are no records of this butterfly on BMS transects.
This map shows the distribution between 1995 and 2016. Data is derived from the Butterflies for the New Millenium dataset via the NBN Gateway
This chart shows the average number of butterflies seen on transects between Arpil and October across all sites (fitted values from a Generalised Additive Model). The blue line gives average counts over the full BMS series (1976 to date) and the red line gives the average for the last year.
This map shows symbols for the mean abundance at transect sites, with the colour of the symbol reflecting the level of abundance. Means are over all years. Grey background squares are the occupied cells as shown by the Butterflies for the New Millenium over the previous ten year period.
In total, Black-veined White has been recorded from 1 transects in the Butterfly Monitoring Scheme. Of these, annual indices of abundance have been calculated from 1 sites, with an average index of 0 individuals per site.
For 0 of these sites, Black-veined White has been recorded well enough to calculate annual indices of abundance in more years, allowing trends to be calculated.
In 2003, 0 individuals were recorded from 0 sites, producing annual indices at 0 of these.
This map shows the trend in abundance at particular transect sites for which data has been received within the last five years. Trends (increasing, declining or stable) are assessed at sites where the species has more than five years of annual index data. Use the option boxes below to view plots for individual sites.
Links to lists of sites with particular statuses