WTenthredinoidea
WAbia (sawfly)
WAbia sericea
WAcordulecera
WAcordulecerinae
WBlasticotomidae
WCimbex
WCimbex americanus
WCimbex connatus
WCimbex femoratus
WCimbicidae
WDiprion pini
WDiprion similis
WDiprionidae
WGilpinia hercyniae
WGilpinia pallida
WHeteroperreyia hubrichi
WNeodiprion
WNeodiprion abietis
WNeodiprion lecontei
WNeodiprion sertifer
WPalaeocimbex quadrimaculatus
WPergidae
WPerginae
WPerreyiinae
WTrichiosoma
WTrichiosoma lucorum
WTrichiosoma vitellina