Mallow Flea Beetle 
Metachroma pellucidum 
Mexican Beetle 
Microrhopala excavata 
Milkweed leaf beetle 
Mint Beetle 
Mint Leaf Beetle 
Monolepta froggatti 
Monolepta minima 
Mottled Tortoise Beetle 
Neochlamisus gibbosus 
Neocrepidodera transversa 
Neogalerucella pusilla 
Neohaemonia melsheimeri 
Neolema sexpunctata 
Northern corn rootworm 
Omaspides augusta 
Ophraella conferta 
Orange black tortoise beetle 
Orange Oides Leaf Beetle 
Orange-black Leaf Cylinder Beetle 
Orange-shouldered Leaf Miner 
Oulema obscura 
Oulema variabilis