Oriental hornet 
Ornate-tailed Digger Wasp 
Osmia aurulenta 
Osmia ferruginea 
Osmia ribifloris 
Oval-headed Sweat Bee 
Pacific Velvet Ant 
Painted Nomad Bee 
Pallid Twig Ant 
Paltothyreus 
Pantaloon bee 
Panzer's Nomad Bee 
Parachartergus apicalis 
Paralastor laetus 
Paralastor parca 
Parallel Leaf-cutter Bee 
Paranthidium jugatorium 
Pareophora pruni 
Parischnogaster mellyi 
Patchwork Leafcutter Bee 
Paulista Bumble Bee 
Pavement ant 
Pear slug 
Pectoral Robust-Stingless Bee