Bug Identifier
Horsehair Worm
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.
See this bug in the Encyclopedia

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.