cylas brunneus
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2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Olivier Christiaens ◽  
Katterinne Prentice ◽  
Ine Pertry ◽  
Marc Ghislain ◽  
Ana Bailey ◽  
...  

2013 ◽  
Vol 61 (34) ◽  
pp. 8141-8147 ◽  
Author(s):  
M. Otema Anyanga ◽  
Harriet Muyinza ◽  
Herbert Talwana ◽  
David R. Hall ◽  
Dudley I. Farman ◽  
...  

2010 ◽  
Vol 103 (4) ◽  
pp. 1493-1502 ◽  
Author(s):  
Moses Ekobu ◽  
Maureen Solera ◽  
Samuel Kyamanywa ◽  
Robert O. M. Mwanga ◽  
Benson Odongo ◽  
...  

2009 ◽  
pp. 16-40
Author(s):  
Erlinda Vasquez ◽  
Dietmar Schmidt ◽  
Claus Peter Zebitz ◽  
Uwe Beifuss ◽  
Iris Klaiber ◽  
...  

Structure-activity and species specificity of the three synthetic sweetpotato weevil pheromones, (Z)-3-dodecenyl-(E)-2-butenoate of C. formicarius, dodecyl-(E)-2butenoate of C. brunneus and decyl-(E)-2-butenoate C. puncticollis and their corresponding precursor free alcohols and trans-crotonic acid were assayed on virgin males of the three weevil species in the laboratory using one-arm olfactometer with bidirectional airflow. Each of the sex pheromones was specific to its conspecific males, however, a pheromone of a particular species may become active to another species only at higher amount to elicit the same degree of response. The free alcohol precursor of the pheromone of C. formicarius, 3-Z- dodecen-1-ol, showed sexual stimulation on C. brunneus and C. puncticollis while dodecan-1-ol functioned as an aggregation compound. The decan-1-ol, precursor of C. puncticollis pheromone, had the lowest attraction index regardless of weevil species tested. Males of C. formicarius and C. brunneus exposed to trans-crotonic acid performed a complete series of mating behavior


Author(s):  

Abstract A new distribution map is provided for Cylas brunneus (Olivier) Coleoptera: Brentidae Hosts: Sweet potato (Ipomoea batatas). Information is given on the geographical distribution in AFRICA, Burundi, Cote d'Ivoire, Ghana, Kenya, Nigeria, Rwanda, Sierra Leone, Togo, Uganda.


Author(s):  

Abstract A new distribution map is provided for Cylas brunneus (Fabricius) Coleoptera: Curculionidae. Attacks sweet-potato. Information is given on the geographical distribution in AFRICA, Burundi, Ghana, Ivory Coast, Kenya, Nigeria, Rwanda, Sierra Leone, Togo, Uganda.


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