They are a beautiful bright green insect with translucent wings and to quote Wiki “they are voracious predators, attacking most insects of suitable size, especially soft-bodied ones (aphids, caterpillars and other insect larvae, insect eggs, and at high population densities also each other). Therefore, the larvae are colloquially known as “aphid lions” (also spelled “aphidlions”) or “aphid wolves”, similar to the related antlions.”
In other words we got them to help control the aphids that get so bad on the peppers in the greenhouse.
They are shipped as eggs and larva when they don’t arrive fast enough. The eggs are spread about the greenhouse to hatch into larva then eventually into the Lacewing insect.