Spider beetles make up the subfamily Ptininae, in the family

Ptinidae Ptinidae is a family of beetles in the superfamily Bostrichoidea. There are at least 220 genera and 2,200 described species in Ptinidae worldwide. The family includes spider beetles and deathwatch beetle, as well as the Cigarette beetle, cigare ...

. There are approximately 70 genera and 600 species in the subfamily, with about 12 genera and 70 species in North America north of Mexico. Spider beetles have round bodies with long, slender legs. Many species are flightless, either in females only or both sexes. They are generally 1–5 mm long, and reproduce at the rate of two to three generations per year. They are so named because of a resemblance to spiders. Some species have long legs, antennae that can seem like an additional pair of legs, and a body shape that may appear superficially like that of a spider. The larvae and the adults of most spider beetles are

scavenger Scavengers are animals that consume Corpse decomposition, dead organisms that have died from causes other than predation or have been killed by other predators. While scavenging generally refers to carnivores feeding on carrion, it is also a he ...

s on dry plant or animal matter, but some species are known to be myrmecophilic, or ant affiliates. The subfamily Ptininae, along with

Anobiinae Anobiinae is the subfamily of death-watch beetles in the family Ptinidae, with at least 45 genera. It was formerly considered a member of the family Anobiidae, but its family name has since been changed to Ptinidae. The larvae of a number of sp ...

and several others, were formerly considered members of the family Anobiidae, but the family name has since been changed to

Genera

These genera belong to the subfamily Ptininae: * '' Acanthaptinus'' Philips, 2005 * '' Africogenius'' Borowski, 2000 * '' Bellesus'' Özdikmen, 2010 * '' Casapus'' Wollaston, 1862^g * '' Cavoptinus'' Pic, 1931 * '' Chilenogenius'' Pic, 1947 * '' Coleoaethes'' Philips, 1998^g * '' Cryptopeniculus'' Philips, 2004^g * '' Cylindroptinus'' Pic, 1910 * '' Cyphoniptus'' Bellés, 1992 * '' Dignomus'' Wollaston, 1862^g * '' Diphobia'' Olliff, 1886 * '' Diplocotes'' Westwood, 1869^g * '' Diplocotidus'' Peringuey, 1899 * '' Ectrephes'' Pascoe, 1866^g * '' Enasiba'' Olliff, 1886 * ''

Epauloecus ''Epauloecus'' is a genus of beetles belonging to the family Ptinidae Ptinidae is a family of beetles in the superfamily Bostrichoidea. There are at least 220 genera and 2,200 described species in Ptinidae worldwide. The family includes spid ...

'' Mulsant & Rey, 1868^b * '' Eurostodes'' Reitter, 1884^g * '' Eurostoptinus'' Pic, 1895 * ''

Gibbium ''Gibbium'' is a genus of beetles in the family Ptinidae. Species and distribution:^{i c g b} * ''

Gnostus ''Gnostus'' is a genus of spider beetles in the family Ptinidae Ptinidae is a family of beetles in the superfamily Bostrichoidea. There are at least 220 genera and 2,200 described species in Ptinidae worldwide. The family includes spider bee ...

'' Westwood, 1855^{i c g b} * '' Hanumanus'' Bellés, 1991 * '' Hexaplocotes'' Lea, 1906 * '' Kedirinus'' Bellés, 1991^g * '' Lachnoniptus'' Philip, 1998^g * '' Lapidoniptus'' Belles, 1981^g * '' Luzonoptinus'' Pic, 1923 * '' Maheoptinus'' Pic, 1903 * '' Meziomorphum'' Pic, 1898^g * '' Mezium'' Curtis, 1828^{i c g b} * '' Myrmecoptinus'' Wasmann, 1916^g * '' Neoptinus'' Gahan, 1900 * '' Niptinus'' Fall, 1905^{i c g b} * '' Niptodes'' Reitter, 1884^g * '' Niptomezium'' Pic, 1902 * '' Niptus'' Boieldieu, 1856^{i c g b} * '' Okamninus'' Mynhardt & Philips, 2013^g * '' Oviedinus'' Bellés, 2010^g * '' Paulianoptinus'' Bellés, 1991 * '' Paussoptinus'' Lea, 1905 * '' Piarus'' Wollaston, 1862^g * '' Pitnus'' Gorham, 1883^{i c g} * '' Polyplocotes'' Westwood, 1869 * '' Prosternoptinus'' Bellés, 1985 * '' Pseudeurostus'' Heyden, 1906^{i c g b} * '' Ptinus'' Linnaeus, 1766^{i c g b} * '' Silisoptinus'' Pic, 1917 * '' Singularivultus'' Bellés, 1991 * '' Sphaericus'' Wollaston, 1854^{i c g b} * '' Stereocaulophilus'' Belles, 1994^g * '' Sucinoptinus'' Bellés, 2007^g * '' Sulcoptinus'' Bellés, 1988^g * '' Tipnus'' Thomson, 1863^{i c g} * '' Trigonogenioptinus'' Pic, 1937 * '' Trigonogenius'' Solier, 1849^{i g b} * '' Tropicoptinus'' Belles, 1998^g * '' Trymolophus'' Bellés, 1990^g * '' Xylodes'' Waterhouse, 1876^g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net

Gallery

File:Casapus radiosus Wollaston, 1862 (10996670926).png, '' Casapus radiosus'' File:Gibbium psylloides (Czenpinski, 1778) (28038744750).png, '' Gibbium psylloides'' File:Mezium affine (Boieldieu, 1856) (31351895396).png, '' Mezium affine'' File:Niptus hololeucus (Faldermann, 1835) (27794234173).png, '' Niptus hololeucus'' File:Pseudeurostus hilleri (Reitter, 1877) (31502427365).png, '' Pseudeurostus hilleri'' File:Ptinus sexpunctatus up.jpg, '' Ptinus sexpunctatus'' File:Ptinus fur (Linné, 1758) Female (27833028903).png, '' Ptinus fur'' female File:Ptinus fur (Linné, 1758) Male (28448978325).png, '' Ptinus fur'' male File:Sphaericus gibbioides (Boieldieu, 1856) (28359826355).png, '' Sphaericus gibbioides'' File:Stethomezium squamosum Hinton, 1943 Syn.- Stethomezium notiale (Peringuey, 1899) (30562056933).png, '' Stethomezium squamosum''
Syn.- '' Stethomezium notiale'' File:Tipnus unicolor (Piller & Mitterpacher, 1783) (31090431640).png, '' Tipnus unicolor'' File:Trigonogenius globulus Solier, 1849 (31321035181).png, '' Trigonogenius globulum''

References

External links

* * * * Ptinidae {{Bostrichoidea-stub

Genera

Gallery

See also

References

External links