They can actually tell each other where to find a food source. It is a grayish-brown color and it blends with the dry fields and grasses of it's habitat. It doesn't rub it's legs or wings together like a cricket. A tymbal is a membrane that can be vibrated to create sound. Surfing the web is the quickest and easiest way to find answers to Bugster's Brain Bashers.
Ants protect aphids from lady bugs so they can harvest the honeydew.
He knew this from reading a book on aphids. Polly-themus knew it was like sap. Congratulations, everyone is correct. Look in a biology or other science book. We had only one person successfully hunt down the correct answer to this one.