Longpesa longpesa 
Lopharthrum comprimens 
Lophocampa atriceps 
Lophocampa distincta 
Lophocampa laroipa 
Lophocampa significans 
Lophomilia takao 
Lophophelma luteipes 
Lophophelma rubroviridata 
Lophoptera squammigera 
Lorquin's Angle 
Lorquin's blue 
Lorquins admiral 
Loruhama Eyemark 
Lost sallow 
Louisiana Snout Moth 
Luceria oculalis 
Lucerne Looper 
Lucerne moth 
Lucia pierella 
Lucid carpet 
Lulworth skipper 
Luna Moth 
Lunate Zale