Please watch this presentation by clicking on the following link or copying and pasting it into your browser: https://youtu.be/TqhTmer-vcI A search for natural enemies of wood boring beetles in Hawaiʻi has resulted in the identification of a number of parasitoids of bark beetles. Here we detail their life histories, showing videos of their behavior in natural or semi-natural environments and discussing their potential use in biological control. The following taxa are addressed: 1. An undescribed species of Phymastichus (Hymenoptera: Eulophidae) that parasitizes adult Xyleborus spp. 2. An undescribed species of Prorops (Hymenoptera: Bethylidae) that is ectoparasitic on the adults of Hypothenemus eruditus. 3. An undescribed species of Cerocephalinae (Hymenoptera: Pteromalidae) that is ectoparasitic on species in the genera Cryphalus and Eidophelus. 4. Two cryptic species of Cephalonomia (Hymenoptera: Bethylidae), both found parasitizing Hypothenemus eruditus beetles in different trees. The potential for these species to contribute to the suppression of invasive species is discussed, as well as aspects of the host specificity of these idiobiont wasps.
