Labidostomis lusitanica 
Laccoptera nepalensis 
Laccoptera tredecimpunctata 
Lachnaia hirta 
Lachnaia italica 
Lachnaia paradoxa 
Lachnaia pubescens 
Lachnaia sexpunctata 
Ladybird mimic leaf beetle 
Lantana Leaf Beetle 
Lantana leafminer 
Larger Elm Leaf Beetle 
Lema fortunei 
Lena daturaphila 
Leptinotarsa lineolata 
Lilioceris faldermanni 
Lilly Pilly Leaf Beetle 
Lily leaf beetle 
Lochmaea crataegi 
Longitarsus dorsalis 
Luperaltica nigripalpis 
Macrohaltica jamaicensis 
Macrolenes dentipes 
Mallow flea beetle