Biology and host specificity ofCeutorhynchus scrobicollis(Curculionidae; Coleoptera), a root-crown mining weevil proposed as biological control agent againstAlliaria petiolatain North America

2009 ◽  
Vol 19 (2) ◽  
pp. 117-138 ◽  
Author(s):  
Esther Gerber ◽  
Ghislaine Cortat ◽  
Hariet L. Hinz ◽  
Bernd Blossey ◽  
Elisabeth Katovich ◽  
...  
Keyword(s):  
Biological Control ◽  
North America ◽  
Host Specificity ◽  
Biological Control Agent ◽  
Control Agent

Host Specificity ofHypena opulenta: A Potential Biological Control Agent ofVincetoxicumin North America

2012 ◽  
Vol 41 (4) ◽  
pp. 841-848 ◽  
Author(s):  
Alex F. Hazlehurst ◽  
Aaron S. Weed ◽  
Lisa Tewksbury ◽  
Richard A. Casagrande
Keyword(s):  
Biological Control ◽  
North America ◽  
Host Specificity ◽  
Biological Control Agent ◽  
Control Agent

HOST SPECIFICITY AND SUITABILITY OF LEMA CYANELLA (COLEOPTERA: CHRYSOMELIDAE), A CANDIDATE FOR THE BIOLOGICAL CONTROL OF CANADA THISTLE (CIRSIUM ARVENSE)

1979 ◽  
Vol 111 (9) ◽  
pp. 1059-1068 ◽  
Author(s):  
D.P. Peschken ◽  
G.R. Johnson
Keyword(s):  
Biological Control ◽  
North America ◽  
Host Specificity ◽  
Biological Control Agent ◽  
Control Agent ◽  
Cirsium Arvense ◽  
Canada Thistle ◽  
Main Host ◽  
Disease Free

AbstractThe host specificity of Lema cyanella (L.) (Coleoptera: Chrysomelidae) and its suitability as a biological control agent were investigated. The females lay an average of 1564 eggs and development from egg to adult takes 17.6 days at 25°C during the day and 20°C during the night (average about 23°C). Feeding of adults and larvae is confined to Cirsium, Carduus, and Silybum species, and according to literature records, Cirsium arvense (L.) Scop. is the main host. No economic plants are attacked. A colony of field collected beetles imported from Germany was infected with a Nosema disease. It is recommended that disease free L. cyanella should be released against the weed C. arvense in North America.

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