Bug in sedge near a pond

Bug in sedge near a pond

Observation - Bug in sedge near a pond - UK and Ireland. Description: The white central region in Image 2 is, I think, part of the membranous wings showing between the partially opened forewings. (see also Comment).

The white central region in Image 2 is, I think, part of the membranous wings showing between the partially opened forewings.

(see also Comment).