1. They excrete waste through a single pair of malpighian tubules . 2. It occurs in modified excretory organs known as Malpighian tubules in the abdomen. 3. In insects, a system involving Malpighian tubules is utilized to excrete metabolic waste. 4. Because of this, blind-ended ducts called Malpighian tubules come into play. 5. There are typically four to six Malpighian tubules . 6. The digestive system is typical of insects, with Malpighian tubules discharging into the midgut. 7. Malpighian tubules excrete nitrogenous waste into the digestive system, which typically consists of a simple tube.8. The uric acid is formed using hemolymph waste products diffused from the Malpighian tubules ( element 20 ). 9. They act either on the Malpighian tubules to inhibit urine production, or on the hindgut to stimulate reabsorption. 10. Female banded sugar ants are easily recognised by their black head, orange malpighian tubules in workers is 21.
