English name:
Red-underwing Skipper
Full scientific name:
Spialia sertorius (Hoffmannsegg, 1804)
Croatian name:
Crvenkasti debeloglavac
Flight Period and Life Cycle

2 broods per year. Overwinters as caterpillar.
Distribution in Croatia
External Morphology Characteristics
Spialia sertorius is very similar to S. orbifer species. The external morphology is described here. The area of 2 species overlaps.
Behavior
Imago feeds with the nectar of various flowers.
Caterpillar Host Plants
The family Rosaceae.
Habitat
Dry and sunny terrain. Elevations: 0-1200m.