- Dentifying Syrphid Fly Larvae - Ground Beetle Adult Attacking - Ground Beetle Larva Attacking 1. List all physical characteristics that these predators have in common? 2. Now think about each characteristic and explain how that specific characteristic may help the individual predator in foraging and consuming its prey? 3. List the orders and families of insects each predator shown in these videos belongs to? 4. List insect orders and related groups containing predator organisms? 5. What benefits predator insects and other related groups provide? 6. Can you think of any limitations the predator groups may have in order to be an effective biological control tool?.