EPPO Global Database

Thecodiplosis japonensis(THEOJA)

Distribution details in Korea, Republic

Current pest situation evaluated by EPPO on the basis of information dated 2019: Present, widespread
First recorded in: 1920s
From CABI Pest map 658 (2004): Present, widespread
EPPO Reporting Service (1999/163) : first observed in Seoul and Muan in 1959. It has spread throughout the country, including Cheju Island (1990). About 212000 ha of Pinus densiflora and P. thunbergii were infested in 1995.
* Choi WI, Nam Y, Lee CY, Choi BK, Shin YJ, Lim J-H, Koh S-H, Park Y-S (2019). Changes in Major Insect Pests of Pine Forests in Korea Over the Last 50 Years. Forests. 2019; 10(8):692. https://doi.org/10.3390/f10080692
------- importance is decreasing because of parasitoids.

* Furuta, K.; Lee, C. Y.; Kim, J. K.; Kubota, K. (1999) Proceedings of International Symposium, Tokyo, Japan, 27-28 October, 1998, 170-173.

* Lee, B. Y.; Chung, Y. J.; Park, K. N.; Byun, B. H.; Bae, W. (1997) FRI Journal of Forest Science (Seoul) 56, 13-20.
------- First recorded in 1929.

* Lee, B. Y. (1994) Research Reports of the Forestry Research Institute (Seoul) 49, 65-72.
------- Cheju island. First recorded in 1990.

* Nam Y, Choi WI (2014) Empirical predictive model for the spring emergence of Thecodiplosis japonensis (Diptera: Cecidomyiidae): model construction and validation on the basis of 25 years of field observation data. Journal of Economic Entomology 107(3), 1136-1141.

* Park, K. N.; Miura, T.; Hirashima, Y. (1985) Esakia 23, 115-118.
Situation in neighbouring countries
Country State Status
Korea Dem. People's Republic Absent, unreliable record view...