Rhinocyllus conicus (weed bioagent)

From Pestinfo-Wiki
Jump to: navigation, search

Literature database
35 articles sorted by:
year (recent ones first)
research topics
list of weed species
Rhinocyllus conicus larvae in head of Carduus nutans (click on image to enlarge it)
Author(s): Mark Schwarzlander, University of Idaho
Source: IPM Images

Rhinocyllus conicus (weed bioagent) Froelich - (thistle head weevil)

The weevil attacks musk thistle, milkthistle and Italian thistle. It was introduced into North America from Europe since 1968 and is commercially available. The weevils infest the flower heads, reducing the seeds. High beetle densities can reduce the seeds by more than 50%. Also in low density populations thistle populations are reduced over a period of several years.

For details see the respective page in Wikipedia.