Bug Identifier
March Fly
Community identification

March Fly

Bibio marci

Order & Family
Diptera: Bibionidae
Size
10 - 14 millimeters in length
See this bug in the Encyclopedia

Natural Habitat

Grassy areas, woodlands, and gardens near decaying organic matter.

Diet & Feeding

Adults primarily feed on nectar and pollen; larvae feed on decaying roots and leaf litter.

Behavior Patterns

Often seen in large swarms during the spring (around March-May). They are slow, sluggish flyers often seen hovering close to the ground.

Risks & Benefits

Harmless to humans as they do not bite or sting; beneficial to ecosystems as pollinators and decomposers.