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<p>The destroyer ant, <i>Trichomyrmex destructor</i> (Jerdon in Madras J Lit Sci 17:103–127, 1851) (Formicidae, Myrmicinae), is newly reported as a pest of the red dragon fruit <i>Selenicereus costaricensis</i> (F. A. C. Weber) S. Arias and N. Korotkova ex Hammel (Cactaceae). Due to the presence of extrafloral nectaries, it feeds on the areoles, scale leaves and surrounding green tissues at the base of spines of <i>S. costaricensis</i>. The damaged portions turned yellow and then dark brown to black. The extent of infestation on the cladode was 0–50%. Besides cladode, flowers, and fruits were also damaged. Up to 90% of fruits and/or flowers were infested on four clumps. This is the first report of extrafloral nectaries in <i>S. costaricensis.</i></p>

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First Report of the Destroyer Ant Trichomyrmex destructor (Jerdon, 1851) as a Pest of Red Dragon Fruit Selenicereus costaricensis

  • 期刊论文

  • 发表日期：

    2025年1月22日

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  • P. Akheela,
  • K. D. Prathapan,
  • T. Santhoshkumar

摘要

The destroyer ant, Trichomyrmex destructor (Jerdon in Madras J Lit Sci 17:103–127, 1851) (Formicidae, Myrmicinae), is newly reported as a pest of the red dragon fruit Selenicereus costaricensis (F. A. C. Weber) S. Arias and N. Korotkova ex Hammel (Cactaceae). Due to the presence of extrafloral nectaries, it feeds on the areoles, scale leaves and surrounding green tissues at the base of spines of S. costaricensis. The damaged portions turned yellow and then dark brown to black. The extent of infestation on the cladode was 0–50%. Besides cladode, flowers, and fruits were also damaged. Up to 90% of fruits and/or flowers were infested on four clumps. This is the first report of extrafloral nectaries in S. costaricensis.