''Tremex'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of woodwasp in the

Siricidae Horntails or wood wasps are any of the 150 non-social species of the hymenopteran family Siricidae, a type of wood-eating sawfly. The common name "horntail" derives from the stout, spine-like structure at the end of the adult's abdomen which is ...

family. It has 33 species with a holarctic distribution. The larvae feed on hardwoods.Bugguide.net. Genus ''Tremex''
/ref>

Selected species

'' Tremex alchymista'' (Mocsary, 1886)
''

Tremex columba ''Tremex columba'', also known as the pigeon tremex or pigeon horntail, is a species of horntail that is native to eastern and western North America. Appearance and behavior The females are larger than the males, with females growing to 25-3 ...

'' (Linnaeus, 1763)
'' Tremex fuscicornis'' (Fabricius, 1787)
'' Tremex magus'' (Fabricius, 1787)

References

Siricidae Sawfly genera {{Sawfly-stub