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United States Department of Agriculture

Agricultural Research Service

Yellow starthistle project
Yellow starthistle project 

California's #1 invasive species
California's #1 invasive species 

Watershed-level approach
Watershed-level approach to Yellow starthistle 

Chaetorellia succinea biological control
Chaetorellia succinea biological control 

Fly emergence laboratory tests
Fly emergence laboratory tests 

Model application of fly and Yellow starthistle interactions
Model application of fly and Yellow starthistle interactions 

Linkage of insect and plant models
Linkage of insect and plant models 

Root Crown Weevil biocontrol

Root Crown Weevil biocontrol

More information on Certapion basicorne:

 

No-choice host specificity testing (1.2 MB). 

Smith, L.  2007.  Physiological host range of Ceratapion basicorne, a prospective biological control agent of Centaurea solstitialis (Asteraceae).  Biological Control 41: 120-133. 

 

Field tests conducted in Turkey (301 KB). 

Smith, L., R. Hayat, M. Cristofaro, C. Tronci, G. Tozlu and F. Lecce.  2006.  Assessment of risk of attack to safflower by Ceratapion basicorne (Coleoptera: Apionidae), a prospective biological control agent of Centaurea solstitialis (Asteraceae).  Biological Control  36(3): 337-344. 

 

Petition submitted to TAG (USDA-APHIS Technical Advisory Group) (5 files = 22.2 MB).

Smith, L.  2006.  Proposed Field Release of the Weevil, Ceratapion basicorne (Coleoptera: Apionidae), from Turkey for Biological Control of Yellow Starthistle (Centaurea solstitialis) in the United States.  Petition 06-01 to USDA-APHIS Technical Advisory Group (TAG).  138 pp.

 C. basicorne petition pt1  (18.9 MB)

 C. basicorne petition pt2  (110 KB)

 C. basicorne petition pt3  (2.43 MB)

 C. basicorne petition pt4  (414 KB)

 C. basicorne petition pt5  (301 KB)

 

APHIS_PPQ and TAG (Technical Advisory Group) regulatory & review process.

 

 


Last Modified: 5/14/2007