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1 August 2015 A Model for Predicting Spring Emergence of Monochamus saltuarius (Coleoptera: Cerambycidae) from Korean White Pine, Pinus koraiensis
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Abstract

Monochamus saltuarius Gebler is a vector that transmits the pine wood nematode, Bursaphelenchus xylophilus, to Korean white pine, Pinus koraiensis, in Korea. To reduce the damage caused by this nematode in pine forests, timely control measures are needed to suppress the cerambycid beetle population. This study sought to construct a forecasting model to predict beetle emergence based on spring temperature. Logs of Korean white pine were infested with M. saltuarius in 2009, and the infested logs were overwintered. In February 2010, infested logs were then moved into incubators held at constant temperature conditions of 16, 20, 23, 25, 27, 30 or 34°C until all adults had emerged. The developmental rate of the beetles was estimated by linear and nonlinear equations and a forecasting model for emergence of the beetle was constructed by pooling data based on normalized developmental rate. The lower threshold temperature for development was 8.3°C. The forecasting model relatively well predicted the emergence pattern of M. saltuarius collected from four areas in northern Republic of Korea. The median emergence dates predicted by the model were 2.2–5.9 d earlier than the observed median dates.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America.
Chan Sik Jung, Sang-Hyun Koh, Youngwoo Nam, Jeong Joon Ahn, Cha Young Lee, and Won Il Choi "A Model for Predicting Spring Emergence of Monochamus saltuarius (Coleoptera: Cerambycidae) from Korean White Pine, Pinus koraiensis," Journal of Economic Entomology 108(4), 1830-1836, (1 August 2015). https://doi.org/10.1093/jee/tov119
Received: 13 October 2014; Accepted: 19 April 2015; Published: 1 August 2015
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