Bloodworm (Non-biting midge larva)

Scientific Name: Chironomus plumosus

Order & Family: Order: Diptera, Family: Chironomidae

Size: Typically 10-25 mm in length.

Bloodworm (Non-biting midge larva)

Natural Habitat

Stagnant or slow-moving freshwater bodies with muddy bottoms and low oxygen levels.

Diet & Feeding

Scavengers that feed on organic debris, algae, and microscopic organisms in the sediment.

Behavior Patterns

They use hemoglobin to store oxygen, giving them their red color; they live in silk tubes in the mud and undergo complete metamorphosis into flies.

Risks & Benefits

Crucial food source for fish and waterfowl; can indicate poor water quality but pose no physical risk to humans.

Identified on: 2/23/2026