Encyclopedia of Entomology

2008 Edition
| Editors: John L. Capinera

Fruit Stalk Borer, Oryectes elegans Prell (Coleoptera: Scarabaeidae)

  • Yousif Aldryhim
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-6359-6_3903

The fruit stalk borer is found in the Arabian Peninsula as well as in Iraq and Iran. The adult is a stoutly built rhinoceros beetle that is shiny and reddish brown in color. The body length is about 34–36 mm in the female and 28–34 mm in the male. Adults have a horn-like structure on the head which is longer in females. The dorsum of the first thoracic segment has a depression that is deep and large in the female and shallow and small in the male. Mature larvae are about 55–65 mm in length, creamy white in color with brown heads, curved in shape and the last three abdominal segments are thicker than the remaining segments. Two cellulose destroying fungi, Chaetomium elatum and C. murorum, are found in the frass of fruit stalk borer larvae. The adults hide during the day in damp, organic soils. The adults are attracted to light from April to September and do great damage by boring through the leaf-bases and stems of inflorescences in the crown of the tree.

Importance and Damage


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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Yousif Aldryhim
    • 1
  1. 1.King Saud UniversityRiyadhSaudi Arabia