Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Water-skimming bug - Saldula

Water-skimming bug - Saldula
Triunfo Creek Park, Los Angeles County, California, USA
February 29, 2016
A series of these bugs were skating on the surface of a vernal pool. Most were nymphs. This adult bug was actually quite fair sized, about 3-4mm I'd estimate.

Moved from Shore Bugs.

Moved from ID Request.

Shore Bug

must be a Saldula. But I cannot find a key on identifying the species.

here's a key
Google Books has the “Aquatic Invertebrates of Alberta: An Illustrated Guide” here. There’s a key to the Salididae starting on page 287. I'm not sure how useful it will be for your area but it's better than nothing. Unfortunately, it only gets down to genus level