Full Breakdown
Invasive Coconut Rhinoceros Beetle Detected on Moloka‘i and Maui
4/11/2026, 10:40:43 PM
Recent Discoveries Raise Alarm
State officials have confirmed the detection of the invasive coconut rhinoceros beetle (CRB) on both Moloka‘i and Maui, prompting urgent surveys and public awareness campaigns. A dead adult beetle was found in a detection trap at Kahului Airport on April 1, 2026, marking the third detection of CRB on Maui since its initial discovery in Hawaii in 2013. On April 7, a large insect suspected to be a CRB was found near Kaunakakai Harbor on Moloka‘i, which, if confirmed, would be the first detection of the beetle on the island.
Implications for Local Agriculture
The coconut rhinoceros beetle poses a significant threat to local agriculture, particularly to coconut palms, which are culturally important and serve as a food source for residents. The beetle damages palm trees by boring into their crowns and feeding on their sap, leading to their death. Wayne Tanaka of the Hawai‘i Sierra Club emphasized the urgency of eradicating the beetle, stating, “It’s one thing to try and eradicate five or 10 CRB that have slipped through the cracks but if they are in the hundreds, all hope to quash those colonies goes out the window.”
Community Response and Legislative Action
In response to the potential threat, residents of Moloka‘i had previously petitioned the state Department of Agriculture and Biosecurity for enhanced protections, resulting in interim regulations prohibiting the transport of certain agricultural products that could harbor the beetle. Moloka‘i Representative Mahina Poepoe has introduced House Bill 1929, which aims to establish a dedicated biosecurity advisory board for the island and create a quarantine facility for incoming goods.
Ongoing Surveillance and Public Awareness
The Department of Agriculture and Biosecurity is coordinating efforts with the Maui Invasive Species Committee and other agencies to conduct surveys and deploy additional detection traps in areas surrounding the detection sites. Residents, businesses, and landowners within a two-mile radius of both Kahului Airport and Kaunakakai Harbor are urged to inspect their palm trees for signs of CRB feeding damage and report any green waste piles that could harbor the beetle.
Criticism of Biosecurity Measures
Despite increased funding for biosecurity efforts, there is growing dissatisfaction among residents and lawmakers regarding the effectiveness of the state’s response. Moloka‘i Senator Lynn DeCoite expressed concerns about the lack of communication and staffing within the Department of Agriculture and Biosecurity, stating, “We can’t help them if they’re not communicating.” This sentiment reflects broader frustrations about the agency's relationship with agricultural groups, which some believe may hinder effective pest control measures.
Conclusion and Next Steps
As the situation develops, residents are encouraged to remain vigilant when purchasing or moving mulch, compost, and soil products, avoiding damaged packaging that may indicate infestation. Early detection is critical to preventing a widespread outbreak of the coconut rhinoceros beetle, which could have devastating effects on Hawaii's agricultural landscape. For more information on identifying CRB damage and reporting potential infestations, residents can visit the CRB Response website or contact local pest hotlines.
