Sweetpotato Weevil, Cylas formicarius (Fabricius) (Coleoptera: Brentidae)

2012 ◽  
Keyword(s):  
Sweetpotato Weevil ◽  
Cylas Formicarius

Copulation reduces the duration of death-feigning behaviour in the sweetpotato weevil, Cylas formicarius

2009 ◽  
Vol 78 (5) ◽  
pp. 1145-1151 ◽  
Author(s):  
Takashi Kuriwada ◽  
Norikuni Kumano ◽  
Keiko Shiromoto ◽  
Dai Haraguchi
Keyword(s):  
Sweetpotato Weevil ◽  
Death Feigning ◽  
Cylas Formicarius

scholarly journals Organic mulches reduce crop attack by sweetpotato weevil (Cylas formicarius)

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Mudassir Rehman ◽  
Jian Liu ◽  
Anne C. Johnson ◽  
Taiwo Esther Dada ◽  
Geoff M. Gurr
Keyword(s):  
Water Conservation ◽  
Organic Materials ◽  
Management Practice ◽  
Integrated Management ◽  
Weed Suppression ◽  
Crop Damage ◽  
Storage Roots ◽  
Plant Materials ◽  
Sweetpotato Weevil ◽  
Cylas Formicarius

Abstract Mulching with organic materials is a management practice with long history for weed suppression, soil water conservation and erosion control. Its potential impact on crop pests is less well explored. Here we report its utility for reducing crop damage by the serious pest, sweetpotato weevil (Cylas formicarius). Laboratory bioassays measured the response of adult female weevils to sweetpotato storage roots beneath mulches of fresh or dried plant materials. Weevils were significant repelled by fresh basil, catnip, basil lime and dry eucalyptus, cypress, lucerne and sugarcane. A subsequent field study found that mulches of dry cypress, eucalyptus and lucerne reduced movement of weevils from a release point to reach sweetpotato plants and lowered level of damage to storage roots. Results demonstrate that mulching with organic materials merits further testing as part of the integrated management of sweetpotato weevil, particularly to protect developing storage roots during dry periods when soil cracking can facilitate access by pests.

Pre-exposure to sex pheromone did not affect mating behavior in the sweetpotato weevil Cylas formicarius

2010 ◽  
Vol 84 (1) ◽  
pp. 93-97 ◽  
Author(s):  
Takashi Kuriwada ◽  
Norikuni Kumano ◽  
Keiko Shiromoto ◽  
Dai Haraguchi
Keyword(s):  
Sex Pheromone ◽  
Mating Behavior ◽  
Sweetpotato Weevil ◽  
Cylas Formicarius

Host preference of sweetpotato weevil, Cylas formicarius elegantulus (Summers): an example of Hopkins’ host-selection principle

2019 ◽  
Vol 13 (5) ◽  
pp. 779-786
Author(s):  
Jie Chen ◽  
Michael J. Stout ◽  
Julien Beuzelin ◽  
Tara P. Smith ◽  
Don LaBonte ◽  
...  
Keyword(s):  
Host Selection ◽  
Host Preference ◽  
Selection Principle ◽  
Sweetpotato Weevil ◽  
Cylas Formicarius ◽  
Cylas Formicarius Elegantulus

Age-dependent investment in death-feigning behaviour in the sweetpotato weevil Cylas formicarius

2011 ◽  
Vol 36 (2) ◽  
pp. 149-154 ◽  
Author(s):  
TAKASHI KURIWADA ◽  
NORIKUNI KUMANO ◽  
KEIKO SHIROMOTO ◽  
DAI HARAGUCHI
Keyword(s):  
Sweetpotato Weevil ◽  
Death Feigning ◽  
Cylas Formicarius ◽  
Age Dependent
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