Bug FAQBath White
Pontia daplidice · Order: Lepidoptera · Family: Pieridae
It lives on dry, rocky slopes and Mediterranean coastal dunes, often where vegetation is sparse.
Source: Wikipedia
How to recognize it
The underside of the hindwing shows greenish blotches that clearly set it apart from other pierid butterflies. Males and females can be told apart by distinct markings on the forewing.
Source: Wikipedia
Size
Wingspan ranges from 45 to 50 mm according to one source and 52 to 56 mm according to another.
Source: Wikipedia
Where it lives
It prefers Mediterranean coastal dunes, rocky hot slopes, and other dry, rough ground with little vegetation.
Source: Wikipedia
What it eats
Caterpillars feed on Brassicaceae plants such as tower mustard and sea rocket.
Source: Wikipedia
When you see it
The species moves north each summer during its migration.
Source: Wikipedia
Where it comes from
Each summer it migrates northward, sometimes reaching southern Scandinavia and occasionally southern England.
Source: Wikipedia
Lookalikes
The greenish blotches on the hindwing underside are a key feature that distinguishes the Bath white from other white pierids.
Source: Wikipedia
More photos
Same family (Pieridae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Pontia_daplidice
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.