Results showed no potential for establishment of R. indifferens in
Colombia, Indonesia, Malaysia, Taiwan, Thailand, Venezuela, and Vietnam
when the optimal chilling requirement to break diapause (minimum
temperature < or = 3 degree C for at least 15 wk) was used as the
criterion for whether establishment can occur. Furthermore, these
countries have no host plant species available for R. indifferens. More..
Source: Kumar S,
Yee WL. Journal of Economic Entomology 107(3):1032-1044. 2014