| Meladema | |
|---|---|
| | |
| Female M. coriacea | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Dytiscidae |
| Subfamily: | Colymbetinae |
| Tribe: | Colymbetini |
| Genus: | Meladema Laporte, 1835 |
Meladema is a genus of beetles in family Dytiscidae. It contains the following species (among others): [1]
Meladema imbricata is a species of beetle in family Dytiscidae. It is endemic to Spain.
Meladema lanio is a species of beetle in family Dytiscidae. It is endemic to Portugal.
Celina is a genus of predaceous diving beetles in the family Dytiscidae. There are at least 30 described species in Celina.
Meladema coriacea is a species of beetles belonging to the family Dytiscidae.
Celina slossoni is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Hydroporinae is a subfamily of predaceous diving beetles in the family Dytiscidae. There are at least 2,200 described species in Hydroporinae.
Agabus ancillus is a species of predaceous diving beetles in the family Dytiscidae. It is found in North America.
Bidessini is a tribe of predaceous diving beetles in the family Dytiscidae. There are at least 40 genera and at least 630 described species in Bidessini.
Hygrotus sayi is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Laccophilus fasciatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in Central America and North America.
Agabus bifarius is a species of predaceous diving beetle in the family Dytiscidae. It is found in Europe and Northern Asia and North America.
Heterosternuta pulchra is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Oreodytes scitulus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Graphoderus liberus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Dytiscinae is a subfamily of predaceous diving beetles in the family Dytiscidae. There are at least 20 genera and 380 described species in Dytiscinae.

Rhantus frontalis is a species of predaceous diving beetle in the family Dytiscidae. It is found in Europe and Northern Asia and North America.
Neoscutopterus hornii is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Laccodytes pumilio is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Platambus semivittatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Liodessus affinis is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.