''Trichosirocalus'' is a genus of

true weevil True most commonly refers to truth, the state of being in congruence with fact or reality. True may also refer to: Places * True, West Virginia, an unincorporated community in the United States * True, Wisconsin, a town in the United States * T ...

s, native to the

Old World The "Old World" is a term for Afro-Eurasia that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by the ...

, placed alternatively in the subfamily

Ceutorhynchinae Ceutorhynchinae is a subfamily of minute seed weevils in the family of beetles known as Curculionidae. There are at least 150 genera and more than 1000 described species in Ceutorhynchinae worldwide. Genera These 150 genera belong to the sub ...

or in the tribe

Ceutorhynchini Ceutorhynchini is a true weevil tribe in the subfamily Baridinae. Genera '' Aiphonsinus'' - '' Allosirocalus'' - ''Amalorrhynchus'' - ''Amalus'' - '' Amicroplontus'' - '' Amurocladus'' - '' Angarocladus'' - '' Barioxyonyx'' - '' Bohemanius'' - ...

of the subfamily

Baridinae Baridinae is a subfamily of true weevils (Curculionidae). It was established by Carl Johan Schönherr in 1836. Some 4,300 species in 550 genera are placed here, most of which occur in the New World. A few are economically significant pests, whi ...

Partial species list

* ''

Trichosirocalus horridus ''Trichosirocalus horridus'' is a species of true weevils, native to Europe. It is a biological pest control agent that was introduced into the United States in 1974 to control exotic thistles, especially in the ''Cirsium'' and ''Carduus'' gener ...

'' Panzer, 1801 * '' Trichosirocalus troglodytes''

References

Ceutorhynchini Baridinae genera Beetles of Europe Biological pest control beetles {{Baridinae-stub