The Tympanal or the Tympanal organ is an organ located on the belly of the grasshopper that is used as a listening device or ear. It generally consists of several processors and nerves which are used to monitor the air for vibrations. It consists of membranes that is typically rounded in shape and helps the grasshopper detect sound waves. The tympanum is found in several insects and not just in grasshoppers. It can be located anywhere on the insect's body but in grasshoppers is located on the abdomen.
Insects have evolved in different ways and a grasshopper's body is designed in this way for convenience or adaptability. Insects generally have antennae located on their heads as extra organs of sensation. It is possible that the tympanum is located on the abdomen to make place for the antennae.
Insects have evolved in different ways and a grasshopper's body is designed in this way for convenience or adaptability. Insects generally have antennae located on their heads as extra organs of sensation. It is possible that the tympanum is located on the abdomen to make place for the antennae.