Snow Scorpionfly (Larva)
Scientific Name: Boreus spp. (e.g., Boreus brumalis or Boreus nivoriundus)
Order & Family: Mecoptera, Boreidae
Size: 3 mm to 5 mm (approx. 0.12 to 0.2 inches)
Natural Habitat
Found in mossy areas on the forest floor, frequently appearing on the surface of snow during winter months.
Diet & Feeding
Feeds primarily on mosses, liverworts, and decaying organic matter.
Behavior Patterns
Active during winter, these larvae (and adults) are adapted to cold temperatures. They are often seen crawling on snow to disperse or find mates. Despite their name, they do not sting.
Risks & Benefits
Harmless to humans; they possess no venom and do not bite. They play a specialized role in the ecosystem as winter decomposers of moss material.
Identified on: 2/7/2026