Fig. 1. Mean density of lepidoteran pests caught on pheromone traps in 2016.
Fig. 2. Mean density of planthoppers collected by sweeping net in 2016.
Fig. 3. Mean density of planthoppers collected by vaccum in 2016.
Fig. 4. Mean density on the 2017 sampling date of lepidopteran in pheromone trap.
Fig. 5. Mean density of planthoppers caught on yellow sticky traps in 2017.
Fig. 6. Mean density on the 2017 sampling date of planthoppers in sweeping net survey.
Fig. 7. Mean density on the 2017 sampling date of planthoppers in visual survey.
Fig. 8. Sequence of counter maps of clustering index for planthoppers during the 2016 experiment period.
Fig. 9. Sequence of counter maps of clustering index for lepidopteran among migratory insect pests during the 2016 experiment period.
Fig. 10. Sequence of counter maps of clustering index for planthoppers among migratory insect pests during the 2017 experiment period.
Fig. 11. Sequence of counter maps of clustering index for planthoppers during the 2016 experiment period.
Table 1. Summary of SADIE analysis and SADIE red-blue plot of migratory insect pest populations during the 2016 experiment period
Table 2. Summary of SADIE analysis and SADIE red-blue plot of migratory insect pest populations during the 2017 experiment period
References
- Bae, S.D., Song, Y.H., Park, K.B., 1995. Study on the bionomics of overwintering small brown planthopper, Laodelphax striatellus Fallen, in Milyang. Korean J. Appl. Entomol. 34, 321-327. (in Korean with English abstract)
- Binns, M.R., Nyrop, J., 1992. Sampling insect populations for the purpose of IPM decision making. Annu. Rev. Entomol. 37, 427-453. https://doi.org/10.1146/annurev.en.37.010192.002235
- Choi, K.M., 1973. Cnaphalocrocis medinalis G. rice leaf folder. Literature review of Korea rice pests, Ins. Agr. Sci. O.R.D. 17-18.
- Greig-Smith, P., 1952. The use of random and contiguous quadrats in the study of the structure of plant communities. Ann. Bot. 16, 293-316. https://doi.org/10.1093/oxfordjournals.aob.a083317
- Hassell, M.P., May, R.M., 1974. Aggregation in predators and insect parasites and its effect on stability. J. Anim. Ecol. 43, 567-594. https://doi.org/10.2307/3384
- Hu, G., Lu, F., Zhai B.-P., Lu, M.-H., Liu, W.-C., Zhu, F., Wu, X.W., Chen, G.H., Zhang, X.X., 2014. Outbreaks of the brown p lanthopper Nilaparvata lugens (stal) in the Yangtze river delta: immigration or local reproduction? PLoS ONE 9(2), e88973 https://doi.org/10.1371/journal.pone.0088973
- Hyun, J.S., Woo, K.S., Ryoo, M.I., 1977. Studies on the seasonal increase of the population of the smaller brown planthopper, Laodelphax striatellus (Fallen). Korean J. Plant Prot. 16, 13-19. (in Korean with English abstract)
- Kennedy, J.S., 1972. The emergence of behaviour. J. Aust. Entomol. 11, 168-176. https://doi.org/10.1111/j.1440-6055.1972.tb01619.x
- Kim, C.S., 2009. Virus-insect-plant interactions at RSV outbreak regions in Korea. APEC workshop on the epidemics of migratory insect pests and associated virus disease in rice and their impact on food security in APEC member economies, Seoul, pp. 61-74.
- Kim, K.C., Choi, C.S., 1984. Studies on the bionomies and analysis of damage of the rice leaf folder, Cnaphalocrocis medinalis G. in South region of Korea. Rural Dev. Rev. 19, 25-32.
- Kim, K.H., Kim, D.S., Park, C.G., Cho, S.W., Yoon, Y.N., Lee, K.Y., 2012. Principles and application in insect pest management. 340 pp. Hyang Moon Sa, Seoul. (In Korean)
- Kim, K.-M., Park, Y.-H., 2018. Studies of the life cycle and rearing methods of whitebacked planthopper (Sogatella furcifera Horvath). J. Life Sci. 28, 357-360.
- Ko, H.R., Back, H.W., Kim, G.H., 2003. Effect of Temperature on development and reproduction of the rice armyworm, Pseudaletia separata Walker (Lepidoptera: Noctuidae). Korean J. Appl. Entomol. 42(1), 53-56.
- Lloyd, M., 1967. Mean crowding. J. Anim. Ecol. 36, 1-30. https://doi.org/10.2307/3012
- Otuka, A., Zhou, Y., Lee, G.S., Matsumura, M., Zhu, Y., Park, H.H., Liu, Z., Sanada-morimura, S., 2012. Prediction of overseas migration of the small brown planthopper, Laodelphax striatellus (Hemiptera: Delphacidae) in East Asia. Appl. Entomol. Zool. 47, 379-388. https://doi.org/10.1007/s13355-012-0130-x
- Park, H.H., Ahn, J.J., Park, C.G., 2014. Temperature-dependent development of Cnaphalocrocis medinalis Guenee (Lepidoptera: Pyralidae) and their validation in semi-field condition. J. Asia-Pac. Entomol. 17, 83-91. https://doi.org/10.1016/j.aspen.2013.11.003
- Perry, J.N., 1996. Simulating spatial patterns of counts in agriculture and ecology. Comput. Electrion Agric. 15, 93-109. https://doi.org/10.1016/0168-1699(96)00005-1
- Perry, J.N., 1998. Measures of spatial pattern for counts. Ecology 79, 1008-1017. https://doi.org/10.1890/0012-9658(1998)079[1008:MOSPFC]2.0.CO;2
- Perry, J.N., Winder, L., Holland, J.M., Alston, R.D., 1999. Red-blue plots for detecting clusters in count data. Ecol. Lett. 2, 106-113. https://doi.org/10.1046/j.1461-0248.1999.22057.x
- Schellhorn, N.A., Bianchi, F.J., Hsu, C.L., 2014. Movement of entomophagous arthropods in agricultural landscapes: links to pest suppression. Annu. Rev. Entomol. 59, 559-581. https://doi.org/10.1146/annurev-ento-011613-161952
- Schomaker, C.H., Been, T.H., 1992. Sampling strategies for the detection of potato cyst nematodes: developing and evaluating a model, in: Gommers, F.J., Maas, P.W.T. (Eds.), Nematology from molecule to ecosystem. European society of nematologists, dundee, 182-194.
- Taylor, L.R., 1961. Aggregation, variance and the mean. Nauture 189, 732-735. https://doi.org/10.1038/189732a0
- Taylor, L.R., 1986. Synoptic ecology, migration of the second kind, and the Rothamsted Insect Survey. J. Anim. Ecol. 55, 1-38. https://doi.org/10.2307/4690