Promecheilidae
| Promecheilidae | |
|---|---|
| |
| Specimen of Onysius anomalus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Cucujiformia |
| Superfamily: | Tenebrionoidea |
| Family: | Promecheilidae Lacordaire, 1859 |
| Synonyms | |
|
Perimylopidae St. George, 1939 | |
Promecheilidae is a family of beetles in the superfamily Tenebrionoidea.[1][2] Perimylopidae is considered a synonym.[3] They are found in southern South America and associated archipelagos like South Georgia and the Falklands, New Zealand and Tasmania.[4][5] Some species are associated tree ferns and moss-covered dead wood, and other forested habitats, while others are associated with peat bogs, grasslands and coastal habitats. They are probably phytophagus, feeding on lichen, moss, and other plant material.[5]
Adult beetles have an 11 segmented antenna, the head is narrowed behind the eye. They have a tarsal formula of 5-5-4.[3] The family is part of a clade that includes the Archeocrypticidae, Mycetophagidae, and Ulodidae.[6]
Genera
Genera in the family Promecheilidae include:[7][1]
- Chanopterus Boheman, 1858 (Tierra del Fuego)
- Hydromedion Waterhouse, 1876 (Tierra del Fuego and South Georgia)
- Melytra Pascoe, 1869 (Tasmania)
- Onysius Broun, 1886 (New Zealand, formerly placed in Chalcodryidae)[4]
- Parahelops Waterhouse, 1876 (southern Argentina and Chile, Falklands)
- Perimylops Müller, 1884 (South Georgia)
- Promecheilus Solier, 1851,2018 (Chile)
- Pseudodarwinella Ukrainsky, 2009 (=Darwinella Enderlein, 1912) (Falklands)
- Sirrhas Champion, 1893 (Tasmania)
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