This video says about itself:
Pond skater. Gerris sp. feeding on ants that have fallen from bushes and are trapped in the surface tension. Also close up view of adult and nymph.
Today, in the brook in the botanical garden, a pondskater.
Just outside the garden, a group of long-tailed tits.
The immature stages of the genus Trepobates (Hemiptera: Heteroptera: Gerridae): here.
February 2010. A new report reveals that 80% of ponds in the British countryside are in a ‘poor’ or ‘very poor’ condition. In England and Wales, the study also shows that the condition of ponds has got worse since 1996: here.