| Family | Pieridae |
|---|---|
| Subfamily | Pierinae |
| Genus | Aporia |
| Species | crataegi |
| Authority | (Linnaeus, 1758) |
| English Name | Black-veined White |
| European Red List 2010 | Least Concern (LC) |
|---|---|
| EU 27 Red List 2010 | Least Concern (LC) |
| European Red List 2025 | Least Concern (LC) |
| EU 27 Red List 2025 | Least Concern (LC) |
| Habitats Directive | |
| Bern Convention | |
| CITES |
The Black-veined White can be found on many different sorts of vegetation in a variety of landscapes, but seems to prefer habitats in the neighbourhood of woods or scrub. Numbers of this migratory species can fluctuate greatly and the reasons for this are not well understood. The species may build up huge populations at unusual places such as hedges along motorways, but also disappear from large areas for many years. The eggs are laid in large clusters of often sixty or more, on the leaves of trees and bushes of the rose family (Rosaceae), such as hawthorn (Crataegus spp.), Blackthorn (Prunus spinosa), Cherry (Prunus spp.), Apple (Malus spp.), also in orchards. The caterpillars spend their time in a communal silken nest until they pupate, the nest in which they hibernate being more substantial. When they are ready to pupate, they disperse over the foodplant. The yellow pupa with black spots suspends in a silken girdle. The Black-veined White has one brood a year.
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