sentences:  Sassafras is susceptible to laurel wilt and capable of supporting broods of "X. glabratus".Underground transmission of the pathogen through roots and stolons of Sassafras without evidence of "X. glabratus" attack is suggested.Studies examining the insect's cold tolerance showed that "X. glabratus" may be able to move to colder northern areas where sassafras would be the main host.