Know Your Larvae

Would you recognize the larvae of these good and bad bugs?

By Jessica Walliser


Good Bug: Syrphid Flies

Syrphid Fly adult and larvaBecause this beneficial is a fly, its larvae are called maggots. The non-stinging adult flies look much like bees with their yellow-and black markings. They feed on nectar and pollen, while the larvae are active insect predators. Larvae—small, pale, wormlike maggots—crawl among populations of pest insects and consume them as they go.

Larva: R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company,
Adult: Whitney Cranshaw, Colorado State University,