Chrysolina Grossa is a species of broad shoulder beetles belonging to the family Chrisomelidae, subfamily Chrisomelinae. This species is found in the western part of the Mediterranean and former Yugoslavia.
The drops on the beetle are drops of rain since while taking the photo it was raining heavily thus showering the beetle.
The male of this species has a horn like that of a 'rhino'. These beetles can grow to approximately 3cm or a bit more. I tried to diffuse the light as much as possible to be able to avoid the reflection on this beetle's surface. The only downside is that I didn't find this beetle in its natural habitat and alive, would have definitely made a more interesting shot. But for now..here it is.