Category
page 1Dryopidae
Dryopidae
Dryopidae is a family of beetles, commonly named long-toed water beetles, in the superfamily Byrrhoidea. It was described by Gustaf Johan Billberg in 1820.
Dryops
genus of insects
Helichus
Beetles of the genus Helichus are found worldwide apart from in Australia and Antarctica. Adults reach long and live in aquatic or riparian environments. The larvae are land-dwelling which may be unique in water living insects.
Postelichus
Postelichus is a genus of long-toed water beetles in the family Dryopidae. There are seven described species in Postelichus.
Pelonomus
Pelonomus is a genus of long-toed water beetles in the family Dryopidae. There are about five described species in the genus Pelonomus.
Dryops arizonensis
species of insect
Helichus lithophilus
species of insect

Elmomorphus
Elmomorphus is a genus of long-toe water beetles in the family Dryopidae.
Postelichus immsi
species of insect
Pelonomus obscurus
species of insect
Helichus basalis
species of insect
Helichus suturalis
species of insect

Helichus striatus
species of insect
Dryops similaris
species of insect