Gegenes nostrodamus

English name:
Mediterranean Skipper
Full scientific name:
Gegenes nostrodamus (Fabricius, 1793)
Croatian name:
Mediteranski debeloglavac

Red Book Category in EU: LC

Red Book Category in Croatia: NE

Wings span: 29-36mm

Flight Period and Life Cycle

Flight period of Gegenes nostrodamus in Croatia
Flight period of Gegenes nostrodamus in Croatia

Few broods per year. Overwinters as caterpillar.

Distribution in Croatia

Distribution of Gegenes nostrodamus in Croatia
Distribution of Gegenes nostrodamus in Croatia

The coast along Southern Croatia. Check the included map.

External Morphology Characteristics

The butterly is similar to Gegenes pumilio. Gegenes nostrodamus is a bit larger and has a bit brighter upper side of the wings. On the costa, in the basal zone of the hindwing, there is a longer and denser hairs area than in Gegenes pumilio. Unfortunately, the determination is not easy because these longer hairs are visible at a certain angle and on young individuals only. The male of Gegenes nostrodamus has no bright spots on the underside of the hindwing.


Fly low and fast. Imago feeds with the nectar of various flowers.

Caterpillar Host Plants

Family Poaceae.


Rocky and hot grasslands with flowers along the coast. Elevations: 0-500m.


Zdravko Kolev and Nikolay Shtinkov: The Pygmy Skipper Gegenes pumilio: a new species to Bulgaria, and a confirmation of its occurrence in the eastern Balkan Peninsula, Phegea 44, 2016.
Verovnik, R., Koren, T. & Glavan, G.: Contribution to the knowledge of the butterfly and skipper fauna of northern Dalmatia mainland. Nat. Croat., Vol. 24, No. 2., 265–280, Zagreb, 2015

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