WSawfly
WAcantholyda
WAnaxyelidae
WBirch leafminer
WCephidae
WCephoidea
WCephus cinctus
WDiprion
WHartigia
WHeteroperreyia hubrichi
WMegalodontes
WMegalodontes cephalotes
WMegalodontesidae
WOrussus
WPamphilioidea
WPamphilius
WPamphilius histrio
WPontania californica
WPontania proxima
WSiricoidea
WSyntexis libocedrii
WXiphydriidae
WXyela
WXyelidae