Light brown apple moth 
Light Crimson Underwing 
Light straw ace 
Lignispalta incertissima 
Lily caterpillar 
Lime blue 
Lime Hawk-moth 
Lime Swallowtail 
Lime-speck pug 
Limenitis weidemeyerii 
Linda Emperor 
Linden Looper 
Linden prominent moth 
Lined Black Aspen Woodling 
Lineella Underwing 
Lineopalpa birena 
Lineopalpa dealbata 
Linnaeus's Joker 
Lintneria porioni 
Lipomelia 
Lissochlora albociliaria 
Lissochlora albocillaria 
Lissochlora manostigma 
Lista ficki