Acrotomopus atropunctellus (Coleoptera: Curculionidae) Preference for Large Sugarcane Shoots Mitigates Damage to Sugarcane Crop

The sugarcane weevil, Acrotomopus atropunctellus (Boheman) (Coleoptera: Curculionidae) is an increasingly important sugarcane pest in Argentina. Its emergence period overlaps with early stages of sugarcane phenology. This research assessed the preference of A. atropunctellus for shoot size and the e...

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Bibliographic Details
Published in:The Florida entomologist 2017-09, Vol.100 (3), p.678-679
Main Authors: Pérez, María L. del P, Isas, Marcos G, Salvatore, Analía R, García, José M, Trumper, Eduardo V
Format: Article
Language:English
Subjects:
Acrotomopus atropunctellus
Coleoptera
Crop damage
Curculionidae
Damage
Diseases and pests
Experiments
fecha tardía de cosecha
Females
Food and nutrition
Insect-plant relationships
integrated pest management
late harvest date
Males
manejo integrado de plagas
Observations
perforaciones
Pest control
Phenology
picudo
Planting
puncture
Saccharum officinarum
SCIENTIFIC NOTES
Shoots
Sugarcane
weevil
Weevils
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Summary:The sugarcane weevil, Acrotomopus atropunctellus (Boheman) (Coleoptera: Curculionidae) is an increasingly important sugarcane pest in Argentina. Its emergence period overlaps with early stages of sugarcane phenology. This research assessed the preference of A. atropunctellus for shoot size and the effect of damage on shoot survival. Acrotomopus atropunctellus preferred to feed on large- and mediumsized shoots, regardless of sex. However, older plants were resistant to injury. Also, the number of punctures produced by females was 1.6 times greater than that produced by males. Avoiding late planting or harvest dates could be a useful tactic for mitigating A. atropunctellus incidence in sugarcane crops.
ISSN:0015-4040
1938-5102
DOI:10.1653/024.100.0332