''Rhinocyllus'' is a small genus of
true weevil, with 4 species described.
[ Ter-Minasyan ME. 1967. Weevils of the sub-family Cleoninae in the fauna of the USSR; tribe Lixini. New Delhi: Amerind Publishing Co] The host plants of this genus are thistles in the subtribe
Carduinae.
Its sister group is ''
Bangasternus''.
The most well-known species is ''R. conicus'' which is a controversial agent of
biological pest control
Biological control or biocontrol is a method of controlling pests, such as insects, mites, weeds, and plant diseases, using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also invo ...
which has been used against
noxious thistles in the genera ''
Carduus
''Carduus'' is a genus of flowering plants in the family Asteraceae, and the tribe Cardueae, one of two genera considered to be true thistles, the other being ''Cirsium''. Plants of the genus are known commonly as plumeless thistles. '', ''
Cirsium'', ''
Onopordum'', and ''
Silybum''.
Species
* ''
Rhinocyllus alpinus'' Gültekin, Diotti & Caldara, 2019
* ''
Rhinocyllus conicus'' (Frölich, 1792)
* ''
Rhinocyllus oblongus
''Rhinocyllus'' is a small genus of Curculionidae, true weevil, with 4 species described.Margarita Ervandovna Ter-Minassian, Ter-Minasyan ME. 1967. Weevils of the sub-family Cleoninae in the fauna of the USSR; tribe Lixini. New Delhi: Amerind Pub ...
'' Capiomont, 1873
* ''
Rhinocyllus turkestanicus'' Desbrochers des Loges, 1900
References
Lixinae
{{Curculionidae-stub