"Wood-destroying pest" means a pest, including, without limitation, a fungus or termite or another insect which infests and destroys cellulose as that infestation and destruction relates to structural damage. The term does not include such a pest which infests and destroys cellulose as that infestation and destruction relates to an adverse effect only on human health or other human health concerns.
Nev. Admin. Code § 555.258
NRS 555.400