The Phalacridae are a family of

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s commonly called the shining flower beetles, They are often found in composite flowers. They are oval-shaped, usually tan, and aboout 2 mm in length. Most species feed on fungus, although a number feed on flower heads. Worldwide there are about 638 species in 52 genera. The oldest possible record of the family is a specimen from

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, dating to the Albian stage of the Early Cretaceous.

Taxonomy

This family includes the following subfamily: * '' Phaenocephalinae'' Matthews, 1899 * '' Phalacrinae'' Leach, 1815 Genera within this family include: * ''Phaenocephalus''-group ** '' Phaenocephalus'' Wollaston, 1873 ** '' Phalacrinus'' Blackburn, 1891 ** '' Ranomafanacrinus'' Gimmel, 2013 * ''Stilbus''-group ** '' Acylomus'' Sharp, 1888 ** '' Nesiotus'' Guillebeau, 1896 ** '' Stilbus'' Seidlitz, 1872 ** '' Xanthocomus'' Guillebeau, 1893 * ''Pseudolibrus''-group ** '' Litostilbus'' Guillebeau, 1894 ** '' Megistopalpus'' Guillebeau, 1895 ** '' Pseudolibrus'' Flach, 1889 * ''Phalacrus''-group ** '' Phalacropsis'' Casey, 1890 ** '' Phalacrus'' Paykull, 1800 * ''Olibroporus''-group ** '' Austroporus'' Gimmel, 2013 ** '' Olibroporus'' Casey, 1890 ** '' Platyphalacrus'' Gimmel, 2013 ** '' Pycinus'' Guillebeau, 1893 * ''Ochrolitus''-group ** '' Ochrolitus'' Sharp, 1889 ** '' Sveculus'' Gimmel, 2013 * ''Olibrus''-group ** '' Olibrus'' Erichson, 1845 ** '' Tolyphus'' Erichson, 1845 * ''Olibrosoma''-group ** '' Antennogasmus'' Gimmel, 2013 ** '' Malagasmus'' Gimmel, 2013 ** '' Olibrosoma'' Tournier, 1889 * ''Litochropus''-group ** '' Litochropus'' Casey, 1890 ** '' Neolitochrus'' Gimmel, 2013 * Genera ''incertae sedis'' ** '' Apallodes'' Reitter, 1873 ** '' Augasmus'' Motschulsky, 1858 ** '' Entomocnemus'' Guillebeau, 1894 ** '' Eulitrus'' Sharp, 1889 ** '' Grouvelleus'' Guillebeau, 1892 ** '' Litochrus'' Erichson, 1845 ** '' Malagophytus'' Gimmel, 2013 ** '' Paracylomus'' Gimmel, 2013

References

* Cucujoidea families Articles containing video clips {{Cucujoidea-stub