1. | Malpighian tubules convert nitrogenous wastes into urea |
2. | Males bear short and styles not present in females |
3. | Nervous system comprises a dorsal nerve cord and ten pairs of ganglion |
4. | The fore wings are tegmina which are used in flight |
1. | Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells |
2. | Mouth, bronchial tube, trachea, oxygen enters cells |
3. | Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells |
4. | Hypopharynx, mouth, pharynx, trachea, tissues |