Bug couple

Bug couple

Observation - Bug couple. Description: I am at a loss as to what these are. They were interacting as a couple, about 1cm long plus the antennae. In the grassy area of an island in the Venetian lagoon. Any help appreciated as I can find nothing in my own book references.

I am at a loss as to what these are. They were interacting as a couple, about 1cm long plus the antennae. In the grassy area of an island in the Venetian lagoon. Any help appreciated as I can find nothing in my own book references.