In insect nervous system which ganglia controls the peristaltic movement?

In insect nervous system Ingluvial ganglia control the peristaltic movement.
The ingluvial ganglion, a major component of the stomatogastric nervous system, is known to innervate the foregut and anterior midgut.
Ganglion performs many different functions and forms very suitable material for analysis of the interplay between nervous and endocrine functions.
A ganglion is a dense mass of nerve cells that are used to control muscles or process input from the insect's senses. The subesophageal ganglion is located in an insect's head capsule and positioned below the oesophagus.