Lixus filiformis 
Lixus juncii 
Lixus lacunosus 
Lixus pulverulentus 
Lixus punctiventris 
Lobiopa undulata 
Lobonyx aeneus 
Lochmaea crataegi 
Locust borer 
Locust Leaf Miner 
Loew's Lady Beetle 
Long-nosed Lycid Beetle 
Long-nosed weevil 
Longhorn Beetle Aprosictus 
Longitarsus dorsalis 
Loosestrife weevil 
Lophyra striolata 
Lordithon kelleyi 
Luciola lusitanica 
Luperaltica nigripalpis 
Luzerne longicorn 
Lycomedes hirtipes 
Lycostomus gestroi 
Lycostomus placidus