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Spider beetles make up the subfamily Ptininae, in the family
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 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 ...
.
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
* ''
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, ''
Syn.- '' Stethomezium notiale'' File:Tipnus unicolor (Piller & Mitterpacher, 1783) (31090431640).png, '' Tipnus unicolor'' File:Trigonogenius globulus Solier, 1849 (31321035181).png, ''
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
''Ptinus'' is a genus of beetles distributed throughout much of the world, including Africa, the Australian region, the Palearctic realm, Palearctic, the Near East, the Nearctic realm, Nearctic, and the Neotropical realm. It is a member of the sub ...
'' 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
Ptinus sexpunctatus
''Ptinus sexpunctatus'' is a species of beetles in the genus '' Ptinus'' of the family Ptinidae.Majka, C.G., Philips, T.K., and Sheffield, C. 2007. "''Ptinus sexpunctatus'' Panzer (Coleoptera: Anobiidae, Ptininae) recently recorded in North Ameri ...
''
File:Ptinus fur (Linné, 1758) Female (27833028903).png, ''Ptinus fur
''Ptinus'' is a genus of beetles distributed throughout much of the world, including Africa, the Australian region, the Palearctic, the Near East, the Nearctic, and the Neotropical realm. It is a member of the subfamily Ptininae, the spider beetle ...
'' female
File:Ptinus fur (Linné, 1758) Male (28448978325).png, ''Ptinus fur
''Ptinus'' is a genus of beetles distributed throughout much of the world, including Africa, the Australian region, the Palearctic, the Near East, the Nearctic, and the Neotropical realm. It is a member of the subfamily Ptininae, the spider beetle ...
'' male
File:Sphaericus gibbioides (Boieldieu, 1856) (28359826355).png, ''Sphaericus gibbioides
''Sphaericus'' is a genus of spider beetles in the family Ptinidae. There are more than 30 described species in the genus ''Sphaericus''.
Species
These 36 species belong to the genus ''Sphaericus'':
* ''Sphaericus albopictus'' (Wollaston, 1854) ...
''
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
''Trigonogenius globulum'', the globular spider beetle, is a species of spider beetle 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 Ptini ...
''
See also
*List of Ptinidae genera
These 121 genera belong to the family Ptinidae, death-watch and spider beetles. There are about 100 additional genera in ''Ptinidae'', with at least 2,200 described species. More species are listed under its subfamily Anobiinae.
Ptinidae genera
...
References
External links
* * * * Ptinidae {{Bostrichoidea-stub