Answer: infests

AnswerCrossword Clue
INFESTSInvades, bug-style
INFESTSOverruns
INFESTSTakes over, like termites
INFESTSOverruns.
INFESTSSwarms over
INFESTSOverruns as pests might
infestsINFEST, to invade and swarm over
infests(of insects or animals) Be present (in a place or site) in large numbers, typically so as to cause damage or disease