Wainscot Grass-veneer 
Wandering Sunset 
Wasp Parasitizer Moth 
Waterlily Borer Moth 
Waterlily Leafcutter Moth 
Watermilfoil Leafcutter Moth 
Wavy-barred Sable 
White Palpita Moth 
White-roped glaphyria moth 
White-Spotted Sable Moth 
White-streak Grass-veneer 
Woolly grass-veneer 
Xanthomelaena 
Xanthophysa 
Yellow Peach Moth 
Yellow-spotted Webworm 
Zebronia phenice 
Zigzag Herpetogramma