Encyclopedia of Entomology

2008 Edition
| Editors: John L. Capinera

Damage and Pest Status

  • Rami Kfir
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-6359-6_5035

Feeding and tunneling by stem borers can result in serious damage and crop losses. Damage is caused by the larvae, which at first feed on the young leaf funnels at the growing point and then later by tunneling into the stems. Apart from leaf damage, growing points may be killed, leading to stunting and deadhearts or to early senescence of plants. Stem tunneling may cause lodging, but also secondary and insidious effects, such as interference with translocation of metabolites and nutrients, resulting in malformation and loss of grain. There can also be a sharp increase in the incidence of stalk rot. Feeding in ears has been associated with fungal infection and elevated levels of mycotoxins.

Busseola Fusca

In South Africa, crop loss assessments in cereal crops from B. fusca attack ranged from 10 to 100%. Although much of this was due to leaf damage in maize, the most severe loss was from stem-boring activity. In Lesotho, seasonal variation in maize yields due to B. fuscaranged from 0.4...

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Rami Kfir
    • 1
  1. 1.ARC-Plant Protection Research InstitutePretoriaSouth Africa