
Community identification
Horsehair Worm
Gordius robustus (and related species)
- Order & Family
- Order: Gordioidea, Family: Gordiidae
- Size
- Typically 5 to 10 centimeters long, but can reach up to 1 meter in length.
Natural Habitat
Found in freshwater environments like ponds, streams, and puddles, as well as damp soil.
Diet & Feeding
Adults do not eat; larvae are parasites that feed on the internal tissues of insects like crickets, grasshoppers, and beetles.
Behavior Patterns
As larvae, they reside inside a host insect; once mature, they manipulate the host to find water, where they emerge as adults to mate and lay eggs.
Risks & Benefits
Harmless to humans, livestock, and pets; they are beneficial to the ecosystem as they help control populations of certain insects.