Subject: Elongated bug in old pool water
Geographic location of the bug: West central Alabama
Time: 07:00 PM EDT
Your letter to the bugman: I’ve began seeing these segmented, elongated bugs for the first time this year (beginning about March, when weather got warm) in the foot of nasty pool water left in our above ground pool. They swim leisurely, but can also dart very quickly.
How you want your letter signed: Amanda In Alabama
Dear Amanda in Alabama,
This is a Water Tiger, the aquatic larva of a Predaceous Diving Beetle. Water Tigers are efficient predators that eat small aquatic insects and invertebrates as well as small fish and tadpoles. Here is an image from Insects of Alberta.