Midge Larvae (Bloodworms)

Aquatic environments including ponds, lakes, rivers, and stagnant water containers

Detritus, algae, and organic debris found in water or sediment

Often found in 'U' shaped tubes in sediment; many contain hemoglobin allowing them to survive in low-oxygen water

Benefits include being a vital food source for fish and birds; risks are minimal to humans, though adults can be nuisance swarms