Stag beetles are a family of about 1,200 species of beetles in the family Lucanidae, currently classified in four subfamilies. Some species grow to over 12 centimetres, but most to about 5 cm (2 in).
Scarabaeoidea is a superfamily of beetles, the only subgroup of the infraorder Scarabaeiformia. Around 35,000 species are placed in this superfamily and some 200 new species are described each year. Its constituent families are also undergoing revision presently, and the family list below is only preliminary. This superfamily includes some of the largest beetles extant today, including rhinoceros beetles, (Dynastinae), the Hercules beetle and Goliath beetles.
The Lucanidae are a family of beetles that include the stag beetles. The family can be further subdivided in a taxonomy. The classification presented here follows Smith (2006), with the exception of the tribal classification within the Lucaninae.
Chiasognathus grantii is a species of stag beetle found in Argentina and Chile. It is known as Darwin's beetle, Grant's stag beetle, or the Chilean stag beetle.
Apterocyclus honoluluensis, the Kauai flightless stag beetle, is a species of stag beetle in the family Lucanidae. It is found on the island of Kauai in the Hawaiian Islands.
Apterocyclus palmatus is a species of stag beetle in the family Lucanidae. It is found on the island of Kauai in the Hawaiian Islands.
Apterocyclus is a genus of rare stag beetles in the family Lucanidae. There are about five described species in Apterocyclus. The species of Apterocyclus are found only on the island of Kauai in the Hawaiian Islands, and are the only scarabaeoid beetles native to the Hawaiian Islands.
Ceruchus piceus is a species of stag beetle in the family Lucanidae. It is found in North America.
Ceruchus is a genus of stag beetles in the family Lucanidae. There are about 19 described species in Ceruchus.
Platyceroides is a genus of stag beetles in the family Lucanidae. There are about 16 described species in Platyceroides.
Nicagus occultus is a species of stag beetle in the family Lucanidae. It is found in North America.
Nicagus is a genus of stag beetles in the family Lucanidae. There are at least three described species in Nicagus.
Platyceroides thoracicus is a species of stag beetle in the family Lucanidae. It is found in North America.
Nicagus obscurus is a species of stag beetle in the family Lucanidae. It is found in North America. Larvae can be found in the grooves of aspen driftwood. Adults emerge in August.
Platyceroides latus is a species of stag beetle in the family Lucanidae. It is found in North America.
Apterocyclus kawaii is a species of stag beetle in the family Lucanidae. It is found on the island of Kauai in the Hawaiian Islands.
Apterocyclus munroi is a species of stag beetle in the family Lucanidae. It was found on the island of Kauai in the Hawaiian Islands in 1897.
Apterocyclus waterhousei is a species of stag beetle in the family Lucanidae. The rare, flightless beetle is found only on the island of Kauai in the Hawaiian Islands. It has been reported in several locations on the island in recent years.
Chiasognathus sombrus is a beetle which belongs to the family of stag beetles (Lucanidae) in the group Scarabaeoidea.
Dinonigidius bartolozzii, is a species of stag beetle endemic to Sri Lanka.
