Violet Miner 
Waldheimia carbonaria 
Waroon Cloak-and-dagger Bee 
Welted Mason Bee 
Western Bumble Bee 
Western carpenter ant 
Western honey bee 
Western Paper Wasp 
Western yellowjacket 
White Butterfly Parasite 
White Flank Black Braconid wasp 
White Oak Club Gall Wasp 
White-cheeked Carpenter 
White-cheeked Carpenter Bee 
White-footed Ant 
White-horned Horntail 
White-lipped Blood Bee 
White-spotted Ichneumonid Wasp 
White-tailed Bumble Bee 
Wide-striped Sweat Bee 
Widow Yellowjacket 
Wild Carrot Wasp 
Wilke's Mining Bee 
Willow Leaf-rolling Sawfly