Zygaena ephialtes (Linnaeus, 1767) Species
Last modified: June 20, 2025, 8:57 p.m.
In Belgium, it is, it is only known as a very rare vagrant in the extreme south. A small population was discovered at WV in 2025.
Details
- Classification
- Family: Zygaenidae > Subfamily: Zygaeninae > Genus: Zygaena > Subgenus: Zygaena > Species: Zygaena ephialtes
- Vernacular names
- Variabele sint-jansvlinder (NL), La Zygène de la Coronille variée (FR)
- First mention in Belgium
- Janssen A. 1969. Nieuwe vlindersoorten voor België. — Schakel 7: 53. On page 53.
- Status
-
Native
Distribution
Imago
Wingspan c. 35 mm.
Museum specimens
Specimens in nature
Egg
The eggs are pale yellow. They are laid in a single layer and in many batches.
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Bionomics
The larvae live freely on the leaves of the food plant. The adults are active during the day.
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Flight periods
The adults fly in late June to early August.
Observed on
- Host plant (species):
- Coronilla varia
The caterpillars live almost exclusively on Coronilla varia, but also on Hippocrepis and Securigera.
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Habitat
It prefers xeric habitats.
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