Common Name - -	Family : Order
Walnut leaf beetle - -	Chrysomelidae : Coleoptera
Walnut sun moth - -	Stathmopodidae : Lepidoptera
Wandering spider - -	Ctenidae : Araneae
Warehouse beetle - -	Dermestidae : Coleoptera
Warehouse pirate bug - -	Anthocoridae : Heteroptera
War-like termite - -	Macrotermitidae : Isoptera
Warty birch caterpillar - -	Drepanidae : Lepidoptera
Warty grain mite - -	Acaridae : Astigmata
Waterbug - -	Naucoridae : Heteroptera
Waterhyacinth weevil - -	Curculionidae : Coleoptera
Waterlettuce moth - -	Noctuidae : Lepidoptera
Wavy striped flea beetle - -	Chrysomelidae : Coleoptera
Webbing clothes moth - -	Tineidae : Lepidoptera
Webbing coneworm - -	Pyralidae : Lepidoptera
Welsh clearwing - -	Sesiidae : Lepidoptera
West Indian beetle - -	Scarabaeidae : Coleoptera
West Indian drywood termite - -	Kalotermitidae : Isoptera
West Indian fruit fly - -	Tephritidae : Diptera
West Indian peach scale - -	Diaspididae : Homoptera
West Indian sugarcane root borer - -	Curculionidae : Coleoptera
West Indian sugarcane weevil - -	Curculionidae : Coleoptera
Western avocado leafroller - -	Tortricidae : Lepidoptera
Western balsam bark beetle - -	Scolytidae : Coleoptera
Western bean cutworm - -	Noctuidae : Lepidoptera
Western bigeyed bug - -	Lygaeidae : Heteroptera
Western black flea beetle - -	Chrysomelidae : Coleoptera
Western blackheaded budworm - -	Tortricidae : Lepidoptera
Western conifer seed bug - -	Coreidae : Heteroptera
Western corn rootworm - -	Chrysomelidae : Coleoptera
Western drywood termite - -	Kalotermitidae : Isoptera
Western false hemlock looper - -	Geometridae : Lepidoptera
Western flower thrips - -	Thripidae : Thysanoptera
Western grapeleaf skeletonizer - -	Zygaenidae : Lepidoptera
Western harvester ant - -	Formicidae : Hymenoptera
Western hemlock looper - -	Geometridae : Lepidoptera
Western hemlock wood stainer - -	Scolytidae : Coleoptera
Western lawn moth - -	Crambidae : Lepidoptera
Western leaffooted bug - -	Coreidae : Heteroptera
Western pine beetle - -	Scolytidae : Coleoptera
Western pine shootborer - -	Tortricidae : Lepidoptera
Western pine tip moth - -	Tortricidae : Lepidoptera
Western pinewood stainer - -	Scolytidae : Coleoptera
Western poplar clearwing - -	Sesiidae : Lepidoptera
Western red-shouldered stinkbug - -	Pentatomidae : Heteroptera
Western spotted cucumber beetle - -	Chrysomelidae : Coleoptera
Western spruce budworm - -	Tortricidae : Lepidoptera
Western striped cucumber beetle - -	Chrysomelidae : Coleoptera
Western subterranean termite - -	Heterotermitidae : Isoptera
Western sugar-beet weevil - -	Curculionidae : Coleoptera
Western tarnished plant bug - -	Miridae : Heteroptera
Western tent caterpillar - -	Lasiocampidae : Lepidoptera
Western tentiform leafminer - -	Gracillariidae : Lepidoptera
Western treehole mosquito - -	Culicidae : Diptera
Western tussock moth - -	Lymantriidae : Lepidoptera
Western tussock moth - -	Lymantriidae : Lepidoptera
Western wireworm - -	Elateridae : Coleoptera
Western yellowjacket - -	Vespidae : Hymenoptera
Western yellowstriped armyworm - -	Noctuidae : Lepidoptera
Wheat head armyworm - -	Noctuidae : Lepidoptera
Wheat stem sawfly - -	Cephidae : Hymenoptera
Wheeler’s desert termite - -	Termitidae : Isoptera
Whip spider - -	Phrynidae : Amblypygi
Whirligig beetle - -	Gyrinidae : Coleoptera
White butterfly - -	Pieridae : Lepidoptera
White cabbage butterfly - -	Pieridae : Lepidoptera
White cutworm - -	Noctuidae : Lepidoptera
White dotted mosquito - -	Culicidae : Diptera
White ermine - -	Arctiidae : Lepidoptera
White fern winter tick - -	Amblyommidae : Ixodida
White grub - -	Scarabaeidae : Coleoptera
White millipede - -	Doratodesmidae : Polydesmida
White pine cone beetle - -	Scolytidae : Coleoptera
White pine sawfly - -	Diprionidae : Hymenoptera
White pine weevil - -	Curculionidae : Coleoptera
White potato cyst nematode - -	Heteroderidae : Tylenchida
White rice borer - -	Crambidae : Lepidoptera
White spotted spined stink bug - -	Pentatomidae : Heteroptera
White springtail - -	Isotomidae : Collembola
White sugarcane borer - -	Crambidae : Lepidoptera
White-barred groundling moth - -	Gelechiidae : Lepidoptera
White-lined sphinx - -	Sphingidae : Lepidoptera
Whitemarked tussock moth - -	Lymantriidae : Lepidoptera
White-point - -	Noctuidae : Lepidoptera
White-spotted longicorn beetle - -	Cerambycidae : Coleoptera
Whitespotted sawyer - -	Cerambycidae : Coleoptera
White-spotted tussock moth - -	Lymantriidae : Lepidoptera
White-tailed bumblebee - -	Apidae : Hymenoptera
Wild cherry looper - -	Geometridae : Lepidoptera
Wild cherry sphinx - -	Sphingidae : Lepidoptera
Willow beauty - -	Geometridae : Lepidoptera
Willow ermine - -	Yponomeutidae : Lepidoptera
Willow sphinx - -	Sphingidae : Lepidoptera
Willow stemborer - -	Sesiidae : Lepidoptera
Wilson's white-headed ambrosia beetle - -	Platypodidae : Coleoptera
Winter cherry bug - -	Coreidae : Heteroptera
Winter marsh mosquito - -	Culicidae : Diptera
Winter moth - -	Geometridae : Lepidoptera
W-marked cutworm - -	Noctuidae : Lepidoptera
Wolf spider - -	Lycosidae : Araneae
Wood ant - -	Formicidae : Hymenoptera
Woodland mosquito - -	Culicidae : Diptera
Woodland pool mosquito - -	Culicidae : Diptera
Wooly darkling beetle - -	Tenebrionidae : Coleoptera