# Chironomus

Chironomus, also known as non-biting midges, are tiny insects that often fly around water. They are important for the ecosystem because they help break down organic material and are food for many animals.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Wetlands
- **Also known as:** Non-biting midge

![Chironomus](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Chironomus_plumosus01.jpg&width=800)

Photo: Attribution · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Chironomus_plumosus01.jpg)

## Appearance

The Chironomus is a slender, mosquito-like insect, often green, brown, or black, with delicate wings. Unlike mosquitoes, it has feathery antennae (especially males) and lacks the piercing mouthparts needed for biting.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Diptera
- **Family:** Chironomidae
- **Genus:** Chironomus

## Interesting facts

- A single lake can produce billions of these midges, forming huge swarms!
- Adult midges never eat; they only live for a few days to reproduce!
- Chironomus larvae are called "bloodworms" because they are bright red and wiggly!
- They are critical food for many animals, from fish to dragonflies and bats!

## Special abilities

- **Oxygen Buddy:** Chironomus larvae have hemoglobin because of that helps them survive in low-oxygen water where other insects can't.
- **Tough Tanker:** Chironomus larvae can tolerate polluted waters because of their adaptable biology that helps them thrive in harsh conditions.
- **Gentle Giant:** Chironomus adults do not bite because they lack mouthparts, that helps them focus solely on reproduction without feeding.
- **Muddy Home Builder:** Chironomus larvae build protective tubes from mud and silk because of that helps them hide from predators.

## Measurements & details

- **Wingspan:** 4-20 mm
- **Size:** 2-10 mm
- **Lifespan:** 1-10 days
- **Flight Speed:** 3 km/h
- **Leg Count:** 6

## Diet & Feeding

Chironomus larvae are filter-feeders, straining tiny bits of food from water; adults do not eat at all.

- **Age differences:** Larvae are filter-feeders, but adults do not feed at all.
- **Primary Foods:** Algae, Detritus, Bacteria, Microorganisms
- **Foraging Method:** Filter feeding

## Ecological connections

- **Eaten by:** [Brown Trout](https://www.snappit.app/explore/brown-trout) (*Salmo trutta*) — Trout actively hunt and consume midge larvae from the benthos.
- **Eaten by:** Mallard (*Anas platyrhynchos*) — Ducks filter midge larvae from muddy lake and pond bottoms.
- **Eaten by:** Green Darner (*Anax junius*) — Dragonfly nymphs are fierce aquatic predators of midge larvae.

## Traits

- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Filter Feeder](https://www.snappit.app/explore/traits/filter-feeder): Filter feeders obtain nutrients by straining suspended food particles and small organisms from water.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Decomposer](https://www.snappit.app/explore/traits/decomposer): Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [Miniature](https://www.snappit.app/explore/traits/miniature): Pertaining to species that are significantly smaller than typical or average for their kind.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
- [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

- [Insects](https://www.snappit.app/explore/collections/insects)

## Safety

**Danger:** 1/5 · Very low

Chironomus are harmless, but it's always good to stay away from muddy water.

## Frequently Asked Questions

### How to identify Chironomus?

Look for six legs, antennae, three body sections and the shape of the wings. Beetles have hardened front wings; flies have just one working pair. Tiny insects may need a close view before their group is clear. Insect Identifier: upload a photo and compare the visible details.

### What is Chironomus's wingspan?

4-20 mm

### How big is Chironomus?

2-10 mm

### How long does Chironomus live?

1-10 days

### How fast can Chironomus fly?

3 km/h

### What does Chironomus eat?

Chironomus larvae are filter-feeders, straining tiny bits of food from water; adults do not eat at all.

### Where is Chironomus usually found?

Wetlands

### How does Chironomus hunt?

Filter feeding

## Where to spot

- [Main Avenue Historic District](https://www.snappit.app/guides/places/main-avenue-historic-district) — Colorado, US · Historic District
- [Fuller County Park](https://www.snappit.app/guides/places/fuller-county-park) — Michigan, US · Park

## More Insects

- [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*)
- [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*)
- [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*)
- [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*)

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Source: [Chironomus: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/chironomus)
