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).
The false stag beetles (Diphyllostoma) are a group of three species of rare beetles known only from California. Almost nothing is known of their life history beyond that the adults are diurnal and females are flightless; larvae have not been observed.
Lucanus cervus, known as the European stag beetle, or the greater stag beetle, is one of the best-known species of stag beetle in Western Europe, and is the eponymous example of the genus. L. cervus is listed as Near Threatened by the IUCN Red List.
Chiasognathus is a genus of stag beetles found in Argentina and Chile. It includes seven species:
Sinodendron rugosum is a species of the family Lucanidae, the stag beetles. It is commonly referred to as the rugose stag beetle, and is the only known member of the genus Sinodendron to occur in western North America.
Platycerus caraboides is a species of stag beetle belonging to the family Lucanidae, subfamily Lucaninae.
Cyclommatus is a genus of the family Lucanidae, also known as the stag beetle. The majority of the species from the genus Cyclommatus are located in Southeast Asia, though some species are found in China and Taiwan as well. The genus Cyclommatus also consists of three subgenera: Cyclommatus, Cyclommatinus and Cyclommatellus. Each subgenera contains 80, 24 and 3 species respectively. In total, the genus Cyclommatus consists of a total of 134 species, though more are still being discovered to this day.
Hexarthrius parryi, the fighting giant stag beetle, is a species of large stag beetles. It belongs to the genus Hexarthrius of the tribe Lucanini. It is classified under the subfamily Lucaninae of the stag beetle family Lucanidae.
Platycerus is a genus of stag beetles (Lucanidae), belonging to the subfamily Lucaninae.
Protognathinus is an extinct genus of stag beetle from the Eocene of Europe, known from the Messel Pit in Germany. This genus is known from the single species P. spielbergi.
Platycerus caucasicus is a species of stag beetle from the subfamily Lucaninae of family Lucanidae. It was discovered by Frederic Parry in 1864.
Platycerus hongwonpyoi is a species of stag beetle, from the Lucinidae family and Lucaninae subfamily. It was discovered in Korea by Imura and Choe in 1989.
Platycerus oregonensis is a species of stag beetle, from the subfamily Lucaninae of family Lucanidae. It was discovered by John O. Westwood in 1844.
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.
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.
