| Colydium | |
|---|---|
    | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Coleoptera | 
| Infraorder: | Cucujiformia | 
| Family: | Zopheridae | 
| Subfamily: | Colydiinae | 
| Genus: |  Colydium  Fabricius, 1792  | 
Colydium is a genus of cylindrical bark beetles in the family Zopheridae. There are about five described species in Colydium. [1] [2] [3]
Hylocurus is a genus of typical bark beetles in the family Curculionidae. There are about a dozen described species in Hylocurus.
Cremastocheilus is a genus of myrmecophilic beetles in the family Scarabaeidae. There are at least 40 described species in Cremastocheilus.
Leptinus is a genus of mammal-nest beetles in the family Leiodidae, sometimes referred to as "mouse nest beetles". There are at least 3 described species in Leptinus.
Psammodius is a genus of aphodiine dung beetles in the family Scarabaeidae. There are at least 3 described species in Psammodius.
Deloyala is a genus of tortoise beetles in the family Chrysomelidae. There are about 10 described species in Deloyala.
Endeitoma is a genus of cylindrical bark beetles in the family Zopheridae. There are at least 2 described species in Endeitoma.
Lucaina is a genus of net-winged beetles in the family Lycidae. There are at least 2 described species in Lucaina.
Plateumaris is a genus of aquatic leaf beetles in the family Chrysomelidae. There are about 17 described species in Plateumaris.
Hololepta is a genus of clown beetles in the family Histeridae. There are at least 100 described species in Hololepta.
Triplax is a genus of pleasing fungus beetles in the family Erotylidae. There are about 18 described species in Triplax.
Serica is a genus from the group of May beetles and junebugs in the family Scarabaeidae. There are at least 100 described species in Serica.
Orizabus is a genus of rhinoceros beetles in the family Scarabaeidae. There are about 10 described species in the genus Orizabus.

Antherophagus is a genus of silken fungus beetles in the family Cryptophagidae. There are at least four described species in Antherophagus.
Optioservus is a genus of riffle beetles in the family Elmidae. There are about 13 described species in Optioservus.
Bitoma is a genus of cylindrical bark beetles in the family Zopheridae. There are about 15 described species in Bitoma.
Macrelmis is a genus of riffle beetles in the family Elmidae. There are at least three described species in Macrelmis.
Malthodes is a genus of soldier beetles in the family Cantharidae. There are at least 120 described species in Malthodes.
Himatium is a genus of snout and bark beetles in the family Curculionidae. There are at least two described species in the genus Himatium.
Axion is a genus of lady beetles in the family Coccinellidae. There are at least two described species in Axion.
Colydium robustum is a species of cylindrical bark beetle in the family Zopheridae. It is found in North America.