Insect seen in abundance in Karst limestone coastal scenery near Lovran, Istria, Croatia. I did not recognise it.
No interactions present.
because the antennae are not swollen and are whitish towards the tips. In Zygaena ephialtes the antennae are black (white at point only), hooked and swollen at the tips http://www.ispot.org.uk/node/296135.
Lat/Lng: 45.2783, 14.2424