Xenobiotic metabolism of plant secondary compounds in the English grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae)

- Some enzymes in herbivour insects protect them from toxic compounds from plants.
- GST and CarE play important roles in aphid defense against xenobiotics from plants.
- POD and PPO involved in aphid defense against phenolics and alkaloids respectively.
- Three toxic compounds from plants could be inhibitors of catalase in aphid.