CURRICULUM VITAE For Won Il Choi
1996. March – 2001. August
*Ph D. in Agronomy, Korea University
*Dissertation: Population ecology of Paronychiurus kimi (Onychiuridae: Collembola) and the effects of three herbicides, paraquat, hexazinone and butachlor on the life history
*Supervisor: Prof. Mun Il Ryoo
1994. March – 1996. February
* M. S. in Agricultural Biology, Korea University
* M. S. thesis: Sex ratio regulation of Anisopteromalus calandrae (Hymenoptera: Pteromalidae): Effects host density, host size and host experience of female
1990. March – 1994. February
* B. S. in Agricultural Biology, Korea University
*International Journal
1. Choi, W. I. and M. I. Ryoo. 2003. Matrix model for predicting seasonal fluctuations in field populations of Paronychiurus kimi (Collembola: Onychiruidae). Ecological Modelling. 162 (3): 259-265.
2. Yu, S.-H. M. I. Ryoo, J. H. Na and W. I. Choi. 2003. Host-density related egg dispersion and progeny sex ratio of Bracon hebetor (Hymenoptera: Braconidae). Journal of Stored Products Research. 39(4): 385-393.
3. Choi, W. I., M. I, Ryoo and J. Kim. 2002. Biology of Paronychiurus kimi (Collembola: Onychiuridae) under the influence of temperature, humidity and nutrition. Pedobiologia. 46(6): 548-557.
4. Choi, W. I., T. J. Yoon and M. I. Ryoo. 2001. Host-size-dependent feeding behavior and progeny sex ratio of Anisopteromalus calandrae (Hymenoptera: Pteromalidae). Journal of Applied Entomology. 125: 71-77.
5. Kang, S. Y., W. I. Choi and M. I. Ryoo. 2001. Demography of Paronychiurus kimi (Lee) population (Collembola: Onychiuridae) under the influence of glufosinate-ammonium on plaster-charcoal substrate and artificial soil. Applied Soil Ecology 18: 39-45.
6. Choi, W. I., Lee, E.-H., Choi, B.-R., Park, H.-M. and Ahn, Y.-J. Toxicity of plant essential oils to Trialeurodes vaporariorum (Homoptera: Aleyrodidae). Journal of Economic Entomology. In press.
7. Jie, J.-J., W. I. Choi and M. I. Ryoo. Fitness and sex allocation of Anisopteromalus calandrae (Hymenoptera: Pteromalidae): Relative fitness of large female and male in a multi patch system. Annals of Entomological Society of America. Submitted.
8. Choi, W. I., Lee, S.-G., Park, H.-M. and Ahn, Y.-J. Toxicity of Plant Essential Oils to Tetranychus urticae (Acari : Tetranychidae) and Phytiseiulus persimilis (Acari: Phytoseiidae). Journal of Economic Entomology. In preparation.
* Korean Journal
1. Choi, W. I. and M. I. Ryoo. 2002. Regulation of progeny sex by Anisopteromalus calandrae (Hymenoptera: Pteromalidae) in relation to host preference, host vulnerability and host size. J. Asia-Pacific Entomol. 5(2): 193-200 (In English).
2. Park, E.-K., W. I. Choi and S.E. Lee. 2002. Esterase activity and resistance to organophosphorus insecticides in larvae of Oryzaephilus surinamensis (L.) (Insecta, Coleoptera, Silvanidae). J. Asia-Pacific Entomol. 5(2): 161-166 (In English).
3. Yoon, T. J., M.I. Ryoo, W.I. Choi, J.Y. Lee and M.H. Choi. 2001. Interspecific competitor reduces intraspecific competition: Intraspecific competition of Indianmeal moth (Lepidoptera: Pyralidae) with and without rice weevil (Coleoptera: Curculionidae) on rice. J. Asia-Pacific Entomol. 4(1): 51-54 (In English).
4. Chun, Yong Shik, Mun Il Ryoo and Won Il Choi. 1998. Influences of Resource Patch Distribution on a Host-Parasitoid System Stability in Patchy Environment: a Laboratory Study. Journal of Asia-Pacific Entomology. 1(2): 223-234 (In English).
5. Chung S.H. W.I. Choi and M.I. Ryoo. 1995. Egg laying decision of adzuki weevil (Bruchidae; Coleoptera): Effects of seed size and egg distribution pattern on a seed. Korean J. Entomol: 25(4): 313-321 (In English).
6. Choi W.I., M.I. Ryoo. 1994. Classifying instars of the Adzuki bean weevils (Bruchidae: Coleoptera) based on head capsule widths. Korean J. Entomol. 24: 155-157 (In English).
1. Kim S.-I., Won Il, Choi and Y.-J., Ahn. 2001. Insecticidal activity of aromatic plant extracts and essential oils and their constituents against stored-product insects pests. Proc. Int. Symp. Development of natural pesticides from forest resources, pp. 113-131.
2. Ryoo, M. I. and Won Il, Choi. 1997. Population ecology of the two larval parasitoids of rice weevil, Anisopteromalus calandrae and Lariophagus distinguendus (Hymenoptera: Pteromalidae), and their ability to suppress the rice weevil population (Coleoptera: Curculionidae) on rice. Proc. Int. Symp. Biological Control of Insect Pests, pp. 117-137.
1. Park, Y. K., W. I. Choi, H.-P. Lee, M. I. Ryoo. 2003. Voltinism differentiation of pine moth population in relation to warming and fragmentation. Korea-Japan joint conference on Applied Entomology and Zoology. (oral presentation).
2. Choi, W. I., S.-G. Lee, H.-M. Park, and Y.-J. Ahn. 2003. Toxicity of plant essential oils to Tetranychus urticae (Acari : Tetranychidae) and predatory mite Phytoseiulus persimilis (Acari: Phytoseiidae). Binary annual spring meeting of Korean Society of Agricultural Chemistry and Biotechnology. (oral presentation).
3. Won Il Choi and Young-Joon Ahn. 2002. Adulticidal and ovicidal activities of plant essential oils against Trialeurodes vaporariorum (Homoptera: Aleyrodidae). Binary annual spring meeting of Korean Society of Applied Entomology. (oral presentation).
4. Ryoo, M. I. and W. I. Choi. 2000. Progeny sex ratio of Anisopteromalus calandrae (Hymenoptera: Pteromalidae) in relation to the searching efficiency for the different larval instars of Callosobruchus chinensis (Coleoptera: Bruchidae). Binary annual spring meeting of Korean Society of Applied Entomology. (Poster presentation).
5. Choi, W. I., M. I. Ryoo, Y-K. Park and H-P. Lee. 2000. A study on the local population of pine moth, Dendrolimus spectabilis (Lepidoptera: Lasiocampidae). Binary annual spring meeting of Korean Society of Applied Entomology. (Poster presentation).
6. Park, Y-K, Lee, H-P, Lee, J-H, Choi, W. I. and Ryoo, M. I. 2000. Trichogramma dendrolimi (Hymenoptera: Trichogrammatidae) release on Pine Moth, Dendrolimus spectabilis (Lepidoptera: Lasiocampidae) in artificial plots. Binary annual autumn meeting of Korean Society of Applied Entomology. (Poster presentation).
7. Choi, W. I., T. J. Yoon and M. I. Ryoo. 1999. Host-size-dependent feeding behavior and progeny sex ratio of Anisopteromalus calandrae (Hymenoptera: Pteromalidae). Binary annual spring meeting of Korean Society of Applied Entomology. (oral presentation).
8. Yoon, E. Y., W. I. Choi and M. I. Ryoo. 1999. Effects of host size on progeny fitness of Anisopteromalus calandrae (Hymenoptera: Pteromalidae). Binary annual spring meeting of Korean Society of Applied Entomology. (oral)
9. Kang, S., W. I. Choi and M. I. Ryoo. 1999. Influences of herbicide, Glufosinate ammonium on population of Paronychiurus kimi (Collembola: Onychiuridae). Binary annual spring meeting of Korean Society of Applied Entomology. (oral presentation).
10. Kwon, T. S., Y. D. Kwon, Y. K. Park, W. I. Choi, B. K. Byun, K. S. Oh, S. C. Shin, J. D. Park, H. P. Lee and M. I. Ryoo. 1999. Increase of voltinism of Dendrimus spectabilis. Binary annual autumn meeting of Korean Society of Applied Entomology. (oral presentation).
11. Choi, W. I. and M. I. Ryoo. 1998. Effects of temperature on life history of Allonychiurus kimi Lee (Collembola: Onychiuridae). Binary annual spring meeting of Korean Society of Applied Entomology. (oral presentation).
12. Choi, W. I. and M. I. Ryoo. 1995. Host preference and sex ratio: Relationship between host preference and sex ratio of Anisopteromalus calandrae. Binary annual autumn meeting of Korean Society of Applied Entomology. (oral presentation).
Sep. 2001 – present: Postdoc in Research center for New Bio-materials in agriculture, Seoul National University.
Mar. 1998 – Aug. 2001: Researcher in Institution of Life Science and Natural Resources, Korea University.
Mar. 1995 – Feb. 1998: Teaching assistant in Dept. of Agricultural Biology, Korea University.
Mar. 1996, Scholarship in graduate school in Korea University.
Mar. 1990, Scholarship in Korea University.
‘Control of pine moth, Dendrolimus spectabilis with beneficial natural enemy insects’ funded by Agricultural R&D Promotion Center.
‘Effects of herbicides on a collembolan population (Allonychiurus kimi) dynamics’ funded by Korea Science and Engineering Foundation (Kosef).