WAcyrthosiphon pisum
WAdelgidae
WAgrilus biguttatus
WAphid
WAsian long-horned beetle
WBalsam woolly adelgid
WBark beetle
WBeech blight aphid
WBlack arches
WBrown-tail moth
WCeresa
WChoristoneuraWChoristoneura hebenstreitella
WCitrus long-horned beetle
WDendroctonus pseudotsugae
WDendroctonus rufipennis
WDendroctonus valens
WDicranosterna semipunctata
WDioryctria sylvestrella
WDiprion pini
WEmerald ash borer
WEuropean spruce bark beetle
WGonipterus gibberus
WGonipterus scutellatus
WGypsy moths in the United States
WHemlock woolly adelgid
WHoplocampa
WHorse-chestnut leaf miner
WHylobius abietis
WLymantria dispar dispar
WMegacyllene robiniaeWMountain pine beetle
WNeodiprion sertifer
WOrgyia pseudotsugata
WParopsis atomaria
WProfenusa thomsoni
WProtoboarmia porcelaria
WSawfly
WScolytus
WScolytus multistriatus
WScolytus schevyrewi
WScolytus scolytus
WSpotted lanternfly
WTenthredinidae
WTetropium fuscum
WTomicus piniperda
WTortrix viridana
WWinter moth
WXylosandrus crassiusculus