Black Twig Borer Xylosandrus compactus (Eichoff)
- Distribution: Hawaiian Islands. Native to Asia, found in coffee growing areas of the world
- Hosts: Over 200 plant species including coffee, avocado, citrus, cacao, paperbark, Eucalyptus robusta, haole koa, guava, Christmasberry, lychee, macadamia, mango, mahogany, hibiscus, kukui,Surinam cherry, and podocarpus.
- Symptoms: Pin-sized entry holes, twig death. Severe infestations can kill host plants, including large trees.
- Management: Pruning and destruction of beetle-infested plant material. Good tree care to promote tree vigor and health.
Source: Xylosandrus compactus (Eichoff) Black Twig Borer, Victoria L. Tenbrink and Dr. Arnold H. Hara, Crop Knowledge Master, April 2007