Determining the migration duration of rice leaf folder (Cnaphalocrocis medinalis (Guenée)) moths using a trajectory analytical approach

Wang, Fengying; Yang, Fan; Lu, Ming-Hong; Shanyu, Luo; Zhai, Baoping; Lim, Koeng Su; McInerney, Caitríona E.; Hu, Gao

doi:10.1038/srep39853

Cited by 33 publications

(62 citation statements)

References 34 publications

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“…(iii) The noctuid insects fly at night, taking off at dusk and landing at dawn on the next day (Qi, Lv, Lan, Xie, and Zhang, 2013;Wang et al, 2017). According to the sunrise and sunset times at departure points from April to August, take-off time is 20:00 hr (CST), and landing time is 06:00 hr (CST) on the next day; thus, S. frugiperda flies continuously for 10 hr every night and flies for three consecutive nights as do most other noctuid moths when flying over land (Tojo et al, 2013;Wang et al, 2017) (Hogg, Pitre, & Anderson, 1982). (vi) Radar observations show that moths usually fly in a low-level jet stream at altitudes with wind speed > 10 m/s (Johnson, 1987;Westbrook et al, 2016;Wolf et al, 1990).…”

Section: Trajectory Modelling Of S Frugiperdamentioning

confidence: 99%

High risk of the fall armyworm invading Japan and the Korean Peninsula via overseas migration

Wang

et al. 2019

J Applied Entomology

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The fall armyworm, Spodoptera frugiperda (J.E. Smith), is an invasive pest species in the Old World. This species is originally native to the Americas. Since 2016, S. frugiperda has spread widely and rapidly throughout Africa, the Middle East, India, Southeast Asia and, most recently, to southern China. By May 2019, S. frugiperda had appeared in 13 provinces in southern China and will spread further into northern China. It is highly likely that S. frugiperda will enter Japan and Korea via overseas migrations as have many other migratory pests. To evaluate the risk of S. frugiperda invasion in Japan and the Korean Peninsula, we modelled the rate of expansion and future potential migratory range of the insect by a trajectory analytical approach using the flight behaviour of S. frugiperda and meteorological data of the past five years (2014–2018). If S. frugiperda can fly for up to 36 continuous hours over water, then our results predict migration from southern and eastern China into Japan and Korea. Most likely, Japan would be invaded from Fujian and Zhejiang in 1 June–15 July, and Kyushu, Shikoku and southwestern Honshu could face the highest risk of S. frugiperda invasion. Korea would most likely be reached by S. frugiperda from northern Zhejiang, Jiangsu, Anhui and Shandong in 1 June–15 July and later. Our results indicated a very high risk that S. frugiperda would annually invade Japan and the Korean Peninsula and cause a possible significant decrease in agricultural productivity.

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Section: Trajectory Modelling Of S Frugiperdamentioning

confidence: 99%

High risk of the fall armyworm invading Japan and the Korean Peninsula via overseas migration

Wang

et al. 2019

J Applied Entomology

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“…For example, comparing flight propensity of field-caught insects with signatures from vertical-looking radar has the potential to significantly advance our understanding of how variable flight performance is under different environmental conditions. This would also enable direct comparisons of flight speed -information that is highly valuable when developing flight projection models for applied purposes such as forecasting the movement of insect pests (Wang et al, 2017). One possible approach to distinguishing migratory from non-migratory individuals in a mixed population is a comparative performance analysis of flight simulators versus the rotational flight mills.…”

Section: Future Approaches For Interpreting Tethered Flight Data In Rmentioning

confidence: 99%

“…Combining these techniques may provide researchers with a method to conclusively distinguish migratory from non-migratory insects and such data can be incorporated into modelling of insect movements. For example, Wang et al (2017) included the number of consecutive days of flight and average flight speed from tethered flight experiments into a forward trajectory analysis to estimate landing areas and migration duration of the rice leaf folder, Cnaphalocrocis medinalis. A drawback with this approach is the reliability of using the 'self-powered flight speed' of C. medinalis (0.8 m s -1 ) (Wang et al, 2017) from flight mill data given the technical limitations described earlier.…”

Section: Future Approaches For Interpreting Tethered Flight Data In Rmentioning

confidence: 99%

The tethered flight technique as a tool for studying life‐history strategies associated with migration in insects

Minter

Pearson

Lim

et al. 2018

Ecological Entomology

125

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1. Every year billions of insects engage in long‐distance, seasonal mass migrations which have major consequences for agriculture, ecosystem services and insect‐vectored diseases. Tracking this movement in the field is difficult, with mass migrations often occurring at high altitudes and over large spatial scales.2. As such, tethered flight provides a valuable tool for studying the flight behaviour of insects, giving insights into flight propensity (e.g. distance, duration and velocity) and orientation under controlled laboratory settings. By experimentally manipulating a variety of environmental and physiological traits, numerous studies have used this technology to study the flight behaviour of migratory insects ranging in size from aphids to butterflies. Advances in functional genomics promise to extend this to the identification of genetic factors associated with flight. Tethered flight techniques have been used to study migratory flight characteristics in insects for more than 50 years, but have never been reviewed.3. This study summarises the key findings of this technology, which has been employed in studies of species from six Orders. By providing detailed descriptions of the tethered flight systems, the present study also aims to further the understanding of how tethered flight studies support field observations, the situations under which the technology is useful and how it might be used in future studies.4. The aim is to contextualise the available tethered flight studies within the broader knowledge of insect migration and to describe the significant contribution these systems have made to the literature.

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“…The Weather Research and Forecasting (WRF) Model is a next-generation mesoscale numerical weather prediction system that is designed to serve both atmospheric research and operational forecasting needs. The WRF model provided the hourly meteorological background data necessary for trajectory analysis Wang et al, 2017). The dimensions of the model domain were 99 × 99 grid points at a horizontal resolution of 30 km.…”

Section: Meteorological Data and Modellingmentioning

confidence: 99%

Brown planthopper Nilaparvata lugens was concentrated at the rear of the typhoon Soudelor in Eastern China in August 2015

Wang

et al. 2017

Insect Science

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Sometimes, extreme weather is vital for the population survival of migratory insects by causing sudden population collapse or outbreak. Several studies have shown that rice planthopper migration was significantly influenced by typhoons in eastern Asia. Most typhoons occur in the summer, especially in August. In August, brown planthopper Nilaparvata lugens (Stål) migrates northward or southward depending on wind direction, and thus typhoons can potentially influence its migration process and population distribution. However, this has not yet been studied. This paper reported a case study on the effects of Typhoon Soudelor on the summer migration of N. lugens in eastern China in 2015. The migration pathways of N. lugens were reconstructed for the period under the influence of a typhoon by calculating the trajectories and migration events in eight counties of the Yangtze River Valley region with ancillary information. Trajectory modelling showed that most migrants took short distance migrations (less than 200 km) under the influence of the Typhoon Soudelor. Numerous N. lugens migrants were concentrated and deposited at the rear of the typhoon during the last 5 days of Typhoon Soudelor on August 9-13 due to horizontal convergence, and this led to an outbreak population. These results indicated that the N. lugens population was redistributed by the typhoon in the summer and that the population dynamics at the rear of a typhoon should be kept under close surveillance. This study provided insight into migratory organisms adapting to atmospheric features.

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Determining the migration duration of rice leaf folder (Cnaphalocrocis medinalis (Guenée)) moths using a trajectory analytical approach

Cited by 33 publications

References 34 publications

High risk of the fall armyworm invading Japan and the Korean Peninsula via overseas migration

High risk of the fall armyworm invading Japan and the Korean Peninsula via overseas migration

The tethered flight technique as a tool for studying life‐history strategies associated with migration in insects

Brown planthopper Nilaparvata lugens was concentrated at the rear of the typhoon Soudelor in Eastern China in August 2015

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