cause they need something to eat
find the nest and destroy it
Wasps may take grasshopper grubs, but to feed to their larvae. Adult wasps don't eat other insects, they live off a sweet liquid rather like honeydew secreted by their larvae.
they need something to eat!
Sort of. If wasps feel threatened they sting. The sting releases pheromones into the air, a chemical signal to other wasps that it is being attacked. If other wasps are in the area, or if you are near the nest, they may also attack you.
Cicada killers are cold-blooded insects. These are actually solitary wasps that are large and solitary. They are sometimes called sand hornets.
Yes, cicada killers can sting people, but as solitary wasps they will only do so if seriously aggravated. Their stings are slight, and rare, but do happen. See link below, for Wikipedia section on Cicada killers' interactions with humans.
It's tough since they live in the ground but below article has some good suggestions. If it is a smaller area and dry, I would dust the ground, cover with clear plastic, secure the edges and when they emerge and try to escape they will contact the dust which should reduce the adults. this method will also give you a better idea of the actual population you are dealing with.
Every!
Greece has many species and classes of insects. They include flies, ants, bees, wasps, cockroaches, cicada, glow worms, and centipedes.
Insects that are native to the temperate woodland and shrubland include ants, bees, wasps, and cicadas. It also includes grasshoppers and flies.
Wasps eat some smaller insects, which can attack flowers and plants. As a result they are a positive influence in a garden.
My husband has been bitten by cicadas and said they bite like a grasshopper. Tufon Yes, they can bite, but they are not wasps and do not sting. ~Morgen