This picture was taken back in September, but what isn't pictured is the swarm of mosquitoes that attacked me. There were considerably less mosquito larvae in this pool than the surrounding ones which did not contain tadpole shrimp, likely owing to their predation of these larvae

This species can be found throughout the American southwest and Mexico, but has sporadic distributions outside of this range as well. This particular locality is a population of hermaphrodites with a "speckled" carapace and are a bit smaller in size