''Xyleborus'' is by far the largest
ambrosia beetle
Ambrosia beetles are beetles of the weevil subfamilies Scolytinae and Platypodinae (Coleoptera, Curculionidae), which live in nutritional symbiosis with ambrosia fungi. The beetles excavate tunnels in dead, stressed, and healthy trees in which t ...
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
in the
tribe
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confl ...
Xyleborini
Xyleborini are a tribe of ambrosia beetles (alternatively called subtribe Xyleborina of tribe Scolytini), highly specialized weevils of the subfamily Scolytinae. Much of the ambrosia beetle fauna in Eurasia and the Americas consists of Xylebori ...
, with over 500
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
.
[MSU (2004)]
''Xyleborus'' nowadays includes a number of formerly independent genera. In addition, the genera ''
Coptoborus'', ''
Cryptoxyleborus'' and ''
Euwallacea'' are often included here, too; this may be correct, as they seem to be closely related. Less often, ''
Ambrosiodmus'', ''
Premnobius
''Premnobius'' is a genus of typical bark beetles in the family Curculionidae. There are more than 30 described species in ''Premnobius''.
Species
These 32 species belong to the genus ''Premnobius'':
* '' Premnobius adjunctus'' Bright & Skidmo ...
'' and ''
Xyleborinus
''Xyleborinus'' is a genus of typical bark beetles in the family Curculionidae
The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families, with 6,800 genera and 83,000 ...
'' are included in ''Xyleborus'', but they seem to be well distinct; ''Premnobius'' might even not belong to the Xyleborini at all.
The different species can be best differentiated by the gallery burrows they build and the tree species they infest. A significant member, ''
X. dispar'', causes
pear blight
Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the po ...
.
Selected species
* ''
Xyleborus affinis''
Eichhoff, 1868
* ''
Xyleborus atratus
''Xyleborus'' may refer to:
* ''Xyleborus'' (beetle), a genus of bark beetles
* ''Xyleborus'' (lichen), a genus of lichens
{{Genus disambiguation ...
''
Eichhoff, 1875
* ''
Xyleborus californicus
''Xyleborus'' may refer to:
* ''Xyleborus'' (beetle), a genus of bark beetles
* ''Xyleborus'' (lichen), a genus of lichens
{{Genus disambiguation ...
''
Wood, 1975 - may belong in ''
Cyclorhipidion
''Cyclorhipidion'' is a genus of beetles belonging to the family Curculionidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most o ...
''
* ''
Xyleborus celsus''
Eichhoff, 1868
* ''
Xyleborus cryptographus''
(Ratzeburg, 1837)
* ''
Xyleborus dispar
''Xyleborus dispar'' is a species of '' Xyleborus''.
The species was described in 1792 by Fabricius as ''Apate dispar''. Current status was given in 1992 by Wood & Bright.
References
External links
{{Taxonbar, from=Q2389813
Scolytinae
Be ...
''
(Fabricius, 1792)
* ''
Xyleborus dryographus''
(Ratzeburg, 1837)
* ''
Xyleborus eurygraphus''
(Ratzeburg, 1837)
* ''
Xyleborus ferrugineus''
(Fabricius, 1801)
* ''
Xyleborus glabratus
''Xyleborus glabratus'', the redbay ambrosia beetle, is a type of ambrosia beetle invasive in the United States. It has been documented as the primary vector of ''Raffaelea lauricola'', the fungus that causes laurel wilt, a disease that can ki ...
''
Eichhoff, 1877
* ''
Xyleborus horridus''
Eichhoff, 1869
* ''
Xyleborus impressus''
Eichhoff, 1868
* ''
Xyleborus intrusus''
Blandford, 1898
* ''
Xyleborus inurbanus''
(Broun, 1880)
* ''
Xyleborus monographus''
(Fabricius, 1792)
* ''
Xyleborus obesus
''Xyleborus'' may refer to:
* ''Xyleborus'' (beetle), a genus of bark beetles
* ''Xyleborus'' (lichen), a genus of lichens
{{Genus disambiguation ...
''
LeConte, 1868
* ''
Xyleborus pelliculosus''
Eichhoff, 1878 - may belong in ''Cyclorhipidion''
* ''
Xyleborus perforans
''Xyleborus perforans'', commonly known as island pinhole borer, is a species of weevil native in the Oriental region through to Australia but shows a cosmopolitan distribution due to introduction to many parts of the world.
Distribution
The na ...
''
(Wollaston, 1857)
* ''
Xyleborus pfeilii''
(Ratzeburg, 1837)
* ''
Xyleborus planicollis''
Zimmermann, 1868
* ''
Xyleborus pubescens''
Zimmermann, 1868
* ''
Xyleborus sayi
''Xyleborus'' may refer to:
* ''Xyleborus'' (beetle), a genus of bark beetles
* ''Xyleborus'' (lichen), a genus of lichens
{{Genus disambiguation ...
''
(Hopkins, 1915)
* ''
Xyleborus similis''
Ferrari, 1867
* ''
Xyleborus viduus''
Eichhoff, 1878
* ''
Xyleborus volvulus''
(Fabricius, 1775)
* ''
Xyleborus xylographus''
(Say, 1826)
See also
*
List of Xyleborus species
Footnotes
References
* (2004): PEET Xyleborini
''Xyleborus'' species list Retrieved 2008-JUL-08.
Scolytinae
{{Scolytinae-stub