Ipini is a

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 ...

bark beetle A bark beetle is the common name for the subfamily of beetles Scolytinae. Previously, this was considered a distinct family (Scolytidae), but is now understood to be a specialized clade of the "true weevil" family ( Curculionidae). Although t ...

s. It is a

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic ...

group. Beetles of this tribe specialize on

conifers Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All ex ...

. Many species, such as the six-spined engraver beetle (''Ips sexdentatus'') and the European spruce bark beetle (''Ips typographus''), produce galleries in wood for their eggs and

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. Th ...

e. Almost all beetles in this tribe have polygynous mating systems with

harems Harem ( Persian: حرمسرا ''haramsarā'', ar, حَرِيمٌ ''ḥarīm'', "a sacred inviolable place; harem; female members of the family") refers to domestic spaces that are reserved for the women of the house in a Muslim family. A ha ...

of females. An exception is the monogamous ''

Ips latidens IPS, ips, or iPS may refer to: Science and technology Biology and medicine * ''Ips'' (genus), a genus of bark beetle * Induced pluripotent stem cell or iPS cells * Intermittent photic stimulation, a neuroimaging technique * Intraparietal sulcus ...

''.Reid, M. (1999)
Monogamy in the bark beetle ''Ips latidens'': ecological correlates of an unusual mating system.
''Ecological Entomology'' 24(1), 89–94.

Genera 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 ...

include: *'' Acanthotomicus'' *'' Ips'' *''

Orthotomicus ''Orthotomicus'' is a genus of typical bark beetles in the family Curculionidae. There are about nine described species in ''Orthotomicus''. Species These nine species belong to the genus ''Orthotomicus'': * ''Orthotomicus caelatus'' (Eichhoff, ...

'' *'' Pityogenes'' *'' Pityokteines'' *'' Pseudips''

References

External links

Ipini.
Fauna Europaea. 2013. Scolytinae Beetle tribes {{Scolytinae-stub