now i want a frigid winter
https://www.researchgate.net/publication/251662484_Impact_of_minimum_winter_temperature_on_Lycorma_delicatula_Hemiptera_Fulgoridae_egg_mortality
The temperature that induced complete mortality of fulgorid eggs was estimated to be −3.44°C on the basis of mean daily temperatures from December 2009 to February 2010 and −12.72°C on the basis of mean daily minimum temperatures in January 2010.