Menida formosa 
Menosca insignis 
Merragata hebroides 
Metallic Shield Bug 
Miasa nigromaculata 
Micrelytra fossularum 
Microgoniella tristicula 
Micrutalis calva 
Mictis longicornis 
Milkweed Assassin Bug 
Mindura subfasciata 
Mindura walkeri 
Minstrel Bug 
Minute Pirate Bug 
Miridius quadrivirgatus 
Mistharnophantia sonorana 
Modest Treehopper 
Mogannia viridis 
Molchina hopei 
Molomea virescens 
Monophlebulus pilosior 
Monteithiella humeralis 
Mormidea lugens 
Mormidea triangularis