Lycaena thersamon

English name:
Lesser Fiery Copper
Full scientific name:
Lycaena thersamon (Esper, 1784)
Croatian name:
Esperov vatreni plavac

Red Book Category in EU: LC

Red Book Category in Croatia: DD

Wings span: 28-31 mm

Lycaena thersamon, mating, female is up, Dalmatia, 0523L0967
Lycaena thersamon, mating, female is up, Dalmatia, 0523L0967
Lycaena thersamon, mating, male is left, Dalmacija, 0523L0967
Lycaena thersamon, mating, male is left, Dalmatia, 0523L0967

Flight Period and Life Cycle

Flight period of Lycaena thersamon in Croatia
Flight period of Lycaena thersamon in Croatia

2-3 broods per year.

Distribution in Croatia

Distribution of Lycaena thersamon in Croatia
Distribution of Lycaena thersamon in Croatia

The east and south areas. Check the included map.

External Morphology Characteristics

In males, the upper side of both wings is predominantly orange with a thin and dark margin. On the underside of the forewing, in marginal zone, in both sexes, there are two series of small black spots. In the submarginal zone of the underside of the hindwing, there is a series of orange spots. Some individuals have a little tail on the hindwing. Furthermore, in females, the upper side of both wings is less intense in color and with three series of dark spots on the hindwing.

Behavior

Imago feeds with nectar of flowers. Males are more active.

Caterpillar Host Plants

Family Polygonaceae like Rumex aquaticus, Polygonum bistorta and P. aviculare.

Habitat

Anthropogenic meadows. Elevations: 0-500m.

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