Florida Fern Moth 
Florida Owlet 
Florida Purplewing 
Flounced rustic 
Flowing-line Hypena 
Fluffy Tit 
Fobeades crucialis 
Fodina ostorius 
Forage Looper 
Forest Day-moth 
Forest giant owl 
Forest hopper 
Forest Pearl Charaxes 
Forest Quaker 
Forest tent caterpillar moth 
Forest white 
Forget-me-not 
Forked Dagger Moth 
Formofentonia orbifer 
Formosa Looper Moth 
Formosan Swift 
Fortunate Wave 
Fountainea centaurus 
Four-barred gray