Fractures of the humerus, scapula and clavicle usually result from a direct blow or a fall onto an outstretched hand. Most can be treated by immobilization. Dislocation of the humerus, strain or sprain of the acromioclavicular and sternoclavicular joints, and rotator cuff injury often can be managed conservatively.
There are many predaceous insects. They eat other animals, including other insects and vertebrates. There are many predaceous insects. They eat other animals, including other insects and vertebrates.
Praying mantis, beetles and dragonflies eat hornets, and some larger wasps prey on smaller or younger wasps. Reptiles and amphibians seldom seek out wasps as food, but eat them when the opportunity arises. Starlings, magpies and blackbirds hunt wasps, while wrens and woodpeckers eat them occasionally.