Russo, M., Kellar, M., & Cheng, Z. 2023 The Implementation of Systemic Insecticides and Increased Irrigation against Gall Wasp and Scale Insect Pests Attacking Ficus Trees in Hawaii. Florida Entomologist 106(4): 244-247

Keywords:

  • control
  • Notes: The unintentional introduction of invasive species including a stem gall wasp, Josephiella sp. (Hymenoptera: Agaonidae), a leaf gall wasp, Josephiella microcarpae Beardsley and Rasplus (Hymenoptera: Agaonidae), and the lobate lac scale Paratachardina pseudolobata Kondo and Gullan (Hemiptera: Kerriidae); are causing negative impacts on rural and urban landscape banyan trees throughout Oahu. In 2 separate studies, the use of systemic insecticides applied via soil drench or trunk injection with or without amended irrigation was examined to determine if there was a reduction of these pests over 24 mos.