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.
Predators from this category include dragonflies, robber flies, hornets, centipedes and spiders. Robber flies can grow to two centimeters or more in length and have proboscis capable of injecting wasps and other insects with a paralyzing neurotoxin. Various garden spiders also eat wasps and bees caught in their webs. Even the praying mantis will strike down any unfortunate wasp that flies in its path.