FUNDED RESEARCH PROJECTS (since hired at UH, July 2019)

  1. Enhancing biological control of citrus sooty mold complex with novel ant control technology using entomopathogenic nematode water-storing hydrogels in an IPM approach. Western IPM Center; Mar 2021 – Feb 2022
  2. A pilot study: entomopathogenic organisms on ovitraps’ egg laying substrate for mosquito control (PI); Hawaii Department of Land and Natural Resources (DLNR); April-Dec 2021
  3. Novel methods to manage invasive yellow crazy ants (PI); Hawaii Department of Land and Natural Resources (DLNR); Jan-Dec 2021
  4. Application of novel and effective oviposition deterrents. USDA-ARS; 2020-2021
  5. Improved detection and control of tropical invasive ants (PI); USDA-ARS; 2020-2022
  6. Field evaluation of above-ground baits in eliminating Formosan subterranean termites (PI); Corteva Agriscience; 2020-2021
  7. Evaluation of a termite barrier as a defense system against Formosan subterranean termites in Hawaii (PI); Polyguard, Inc.; 2020; 2021
  8. Linalool: Biosynthesis in sweet basil and applications in human health and pest control (Co-PI); USDA NIFA Research Capacity Funds; 2020


  1. Kirsch, J. M. and J. W. Tay. 2022. Larval mortality and ovipositional preference in Aedes albopictus (Diptera: Culicidae) induced by the entomopathogenic fungus Beauveria bassiana (Hypocreales: Cordycipitaceae). Journal of Medical Entomology. Accepted.
  2. Gharbi, K. and J. W. Tay. 2022. Fumigant toxicity of essential oils against Frankliniella sp. Insects. Accepted.
  3. Tay, J. W. and James, D. 2021. Field demonstration of heat technology aiming to mitigate heat sinks for drywood termite (Blattodea: Kalotermitidae) management. Insects 12 (12): 1090 [pdf]
  4. Development and evaluation of a biodegradable hydrogel baits with improved water loss dynamics for control of invasive yellow crazy ants.
  5. Kuan-Ling Liu, Shu-Ping Tseng, Jia-Wei Tay, Kazuki Tsuji, Chin-Cheng Yang, and Kok-Boon Neoh. Population genetic structure and invasion of invasive big-headed ant, Pheidole megacephala in Taiwan. Ecology and Evolution. in-preparation/submitted.
  6. Peng et al. Urbanization drives patterns in trophic position, morphology, and colony structure of invasive African big-headed ant. Submitted.
  7. Dong-Hwan Choe*, Jia-Wei Tay*, Kathleen Campbell, Houen Park, Les Greenberg and Michael K. Rust. 2021. Development and demonstration of low-impact IPM strategy to control Argentine ants in urban residential settings. Journal of Economic Entomology 114: 1752-1757.  *These authors contributed equally [pdf
  8. Jia-Wei Tay, Dong-Hwan Choe, Ashok Mulchandani and Michael K. Rust. 2020. Hydrogels: from controlled release to a new bait delivery for insect pest management. Journal of Economic Entomology 113: 2061-2068. (published online on August 27, 2020). [pdf]
  9. Kelsey McCalla, Jia-Wei Tay, Ashok Mulchandani, Dong-Hwan Choe and Mark Hoddle. 2020. Biodegradable alginate hydrogel bait delivery system effectively controls high-density populations of Argentine ant in commercial citrus. Journal of Pest Science 93: 1031-1042. DOI: 10.1007/S10340-019-01175-9. [pdf]
  10. JiaWei Tay, Mark Hoddle, Ashok Mulchandani and Dong-Hwan Choe. 2017. Development of an alginate hydrogel to deliver aqueous bait for pest ant management. Pest Management Science 73: 2028-2038. (Pest Management Science‘s cover image, October 2017) [pdf]
  11. Ching-Chen Lee, Hirotaka Nakao, Shu-Ping Tseng, Hung-Wei Hsu, Gwo-Li Lin, Jia-Wei Tay, Johan Billen, Fuminori Ito, Chow-Yang Lee, Chung-Chi Lin and Chin-Cheng Yang. 2017. Worker reproduction of the invasive yellow crazy ant Anoplolepis gracilipes. Frontiers in Zoology 14:24. DOI 10.1186/s12983-017-0210-4. [pdf]
  12. JiaWei Tay and Chow-Yang Lee. 2015. Induced disturbances cause Monomorium pharaonis (Hymenoptera: Formicidae) nest relocation.  Journal of Economic Entomology 108: 1237-1242. [pdf]
  13.  JiaWei Tay and Chow-Yang Lee. 2015. Effects of a juvenile hormone analogue pyriproxyfen on monogynous and polygynous colonies of the Pharaoh ant Monomorium pharaonis (Hymenoptera: Formicidae). Tropical Biomedicine 32: 453-462[pdf]
  14. JiaWei Tay and Chow-Yang Lee. 2014. Influences of pyriproxyfen on fecundity and reproduction of the pharaoh ant (Hymenoptera: Formicidae). Journal of Economic Entomology 107: 1216-1223. [pdf]
  15. JiaWei Tay, Kok-Boon Neoh, and Chow-Yang Lee. 2014. The roles of the queen, brood and worker castes in the colony growth dynamics of the pharaoh ant,Monomorium pharaonis (Hymenoptera: Formicidae). Myrmecological News 20: 87-94. [pdf]
  16.  Shao-Xiong Cheah, JiaWei Tay, Lai-Kheng Chan, and Zairi Jaal. 2013. Larvicidal, oviposition, and ovicidal effects of Artemisia annua (Asterales: Asteraceae) against Aedes aegypti, Anopheles sinensis, and Culex quinquefasciatus (Diptera: Culicidae). Parasitology Research 112: 3275-3282. [pdf]

Extension Publications, etc.

  1. Jia-Wei Tay and Dong-Hwan Choe. 2018. Using seaweed to deliver liquid ant baits (UC IPM information for pest management professionals and pesticide applicators). Green Bulletin 8: 1-2.
  2. Kelsey Schall, Jia-Wei Tay, Ashok Mulchandani, Dong-Hwan Choe and Mark Hoddle. 2018. Harnessing hydrogels in the battle against invasive ants: Could a hydrogel baiting system solve Argentine ant problems in southern California citrus? Citrograph 9: 30-35. 
  3. JiaWei Tay, Mark Hoddle, Ashok Mulchandani and Dong-Hwan Choe. 2017. The use of an alginate hydrogel to deliver aqueous bait to manage an invasive ant pest in residential settings. In: Proceedings of the 9th International Conference on Urban Pests. Birmingham, UK. M.P. Davies, C. Pfeiffer and W.H. Robinson (eds). Pureprint Group, UK, pp. 265-269.
  4. Jia-Wei Tay. 2014. Sociotomy, caste influences and the effects of juvenile hormone analogue on the colonies of the Pharaoh ant, Monomorium pharaonis (L.)(Hymenoptera: Formicidae). Universiti Sains Malaysia.
  5. Jia-Wei Tay. 2009. Necrophobic behavior of the Asian subterranean termite and a mound building termite. Universiti Sains Malaysia.

Professional Roles

  1. Ex-officio committee. State of Hawaii Pest Control Board, Department of Commerce and Consumer Affairs. 
  2. Hawaii Pest Control Association
  3. Search Committee Member. Mycology position, Department of Plant and Environment Protection Sciences.
  4. Student Competition Judge. Entomological Society of America Annual Meeting.
  5. Proctor. Board Certified Entomologist Certificate Examination.
  6. Advisory. Kaiser High School, Termite educational project.
  7. Advisory. Hawaii Pacific University, Termite educational project. 
  8. Committee. Urban Entomology Booth. Riverside Annual Insect Fair. 
  9. UC Riverside Urban Pest Management Annual Conference.
  10. Manage Nan-Yao and Jill Su Entomology Scholarship.
  11. Member. UHM Graduate faculty.


Choe, D. H., Tay, J.W., Hoddle, M., Mulchandani, A., and Rust, M.K. 2020. Biodegradable hydrogel to deliver aqueous bait to control pest ants. Patent application no. 62/400,161; Publication no. US20200029555; international publications BR112019005990, CN110114092, EP3518980, WO/2018/064186.