Organic insecticide for the Control of Caterpillars.  Alternatively called 'BT' by commercial growers.  Stop paying exorbitant amounts for this stuff at your garden center. 
 
This includes the juvenile stages of winged creatures like White Butterfly, Psylld, Codlin & Guava Moth, Fungus gnats, etc.
 
It can be mixed with Naturally Neem insecticide & please be aware that killing the caterpillar is only one stage in the pest cycle, so for effective management, you must also spray with a friendly insecticide! 
 
200gm makes 80 liters of spray.
Repacked into a compostable bag.  Free freight as per usual.  NZ post tracked.