Last week the question was: What is happening at the base of this wheat leaf?
There is a syrphid fly larva feeding on another fly. Syrphid fly larvae are excellent predators, normally of aphids, and we like to see them in our fields. The adults are not predacious and feed mostly on pollen and nectar. For more info on syrphid flies, take a look at this page.
Here is this week’s question: What is happening to these tomato leaves?