Would you like a sound track of cicadas singing in the forest? The cicada concert is happening now in the Thornforest at Quinta Mazatlán. The high-pitched song of the insect is a mating call belted out by males. The females do not sing but respond by flicking their wings together. The noise can be heard up to a half-mile away, which makes the cicadas, pronounced suh-KEI-duh, one of the loudest insects in the world. There are over 3,000 species of cicadas, 54 in Texas, 11 of which are in the Rio Grande Valley. The Giant Cicada is found only in South ...