Seq # 410110240

Zygaena loti (Denis & Schiffermüller, 1775) Species

Last modified: Nov. 22, 2023, 4:24 p.m.

A rare species in the southern part of Belgium. Not often recorded.


Family: Zygaenidae > Subfamily: Zygaeninae > Genus: Zygaena > Subgenus: Zygaena > Species: Zygaena loti
Vernacular names
Dubbelvlek-sint-jansvlinder (NL), Slender Scotch Burnet (EN), Zygène de la millefeuille, Zygène du Lotier (FR), Beilfleck-Widderchen (DE)
Zygaena achilleae (Esper, 1780)
First mention in Belgium
Lambillion L.-J. 1900–1913. Catalogue des Lépidoptères de Belgique. — Revue mensuelle de la Société entomologique namuroise Supplément: 1–464. On page 376.




Wingspan 25–35 mm. Spot 1 elongated, spots 2 and 4 can be connected by a thin red line, sometimes spot 3 may be divided by vein along costal border of discal cell and spots 5+6 merged into an axe-shaped spot. Forewing thinly scaled, legs partly yellow, light collar on its thorax, black margin of the hindwings fine and regular.

Museum specimens

Specimens in nature


The caterpillars moult out of hibernation dormancy in late February or early March and are mature in May and early June. They generally hide well concealed in the moss layer at daytime, where they also construct their cocoons. Hibernates as larva once or twice.
The adults are active during the day.

No pictures yet!

Flight periods

The adults fly from early June towards early August.

Observed on

Host plant (species):
Coronilla varia and Lotus corniculatus
Host plant (genera):
Onobrychis and Hippocrepis

The larva lives on Coronilla, Hippocrepis or Lotus.

No pictures yet!


It prefers limestone grasslands.

No pictures yet!