![]() Green waste is a key means of transport for the beetle, which breeds in mulch and foliage, making its appearance on Kauai more puzzling. Part of that plan was making sure it doesn’t hitch a ride anywhere else. The beetle is now firmly established on Oahu and, earlier this year, specialists announced they had moved into damage control and would no longer be able to eradicate the insect from the island. ![]() That’s because the beetles bore into the hearts of palm trees, effectively killing them in place. Coconut Rhinoceros Beetle larvae multiply in sites such as green waste transfer stations, like Kauai’s, which have perfect breeding conditions. The Department of Agriculture’s detection on Kauai comes after years of warnings from invasive species experts and entomologists, who have warned that Hawaii’s landscape would be overturned if the horned beetle gained a foothold. Two beetles were found on Kauai near Lihue Airport, one found alive at a green waste transfer station on May 31 and another found two days later, dead in a trap close by. Now it’s been found on Kauai.Ĭoconut rhinoceros beetles have been discovered on Kauai, marking the insect’s first confirmed detection outside Oahu since its arrival in Hawaii almost 10 years ago. All rights reserved.The invasive insect has decimated the Pacific’s coconut palm populations. Furthermore, we demonstrate that a rare event like Typhoon Dolphin that hit Guam in 2015 can lead to a quick rise of the CRB population.īiological control Breeding site Insect pest Mathematical model Typhoon.Ĭopyright © 2023 Elsevier Ltd. Our model predicts that the sanitation efforts need to roughly double from the current levels to eliminate CRB from Guam. We show that, in the absence of viable virus control, the sanitation, i.e., the removal of the green waste is the most efficient way to control the population. We also identify control levels required to eliminate CRBs. We derive the basic reproduction number determining the CRB population growth without any control measures. We calibrate and validate the model based on data count of CRBs trapped in Guam between 20. We carefully consider CRB life stages and its interplay with coconut palms as well as "the green waste", the organic matters used by CRB for breeding sites. ![]() In this paper, we present a compartmental ODE model of CRB population and control. However, a new haplotype CRB-Guam has recently escaped this control and invaded Guam, other Pacific islands, and has even established itself in the Western Hemisphere. Its expansion from Asia to the Pacific in the early 20th century has been stopped by virus control. Electronic address: coconut rhinoceros beetle (CRB), is one of the most damaging pests to coconut palms causing severe economic harm. Electronic address: 8 Department of Mathematics and Applied Mathematics, Virginia Commonwealth University, Richmond, VA 23284, USA. Electronic address: 7 Department of Mathematics and Applied Mathematics, Virginia Commonwealth University, Richmond, VA 23284, USA. Electronic address: 6 Division of Mathematics and Computer Science, University of Guam, Mangilao, GU, 96923, USA. Electronic address: 5 Division of Agriculture and Life Sciences, University of Guam, Mangilao, GU 96923, USA. Electronic address: 4 Division of Mathematics and Computer Science, University of Guam, Mangilao, GU, 96923, USA. Electronic address: 3 Harvest Christian Academy, Barrigada, GU 96921, USA. Electronic address: 1 Division of Mathematics and Computer Science, University of Guam, Mangilao, GU, 96923, USA. ![]() 1 Division of Mathematics and Computer Science, University of Guam, Mangilao, GU, 96923, USA. ![]()
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