Category
page 1Hydrometroidea

Hydrometridae
left|thumb|Hydrometra strigosa
Hydrometridae is a family of semiaquatic insects, known as marsh treaders or water measurers. They have a characteristic elongated head and body which makes them resemble a yardstick for measuring the water surface.

Hydrometra stagnorum
species of insect

Hydrometra
Hydrometra is a genus of water measurers in the family Hydrometridae. There are more than 120 described species in Hydrometra.
Macroveliidae
Macroveliidae is a family of macroveliid shore bugs in the order Hemiptera. There are at least four genera in Macroveliidae.

Hydrometra gracilenta
species of insect
Hydrometra australis
species of insect
Hydrometra martini
species of insect