Stenochironomus

Pronunciation

How to pronounce Stenochironomus: /stɛnəʊkɪˈrɒnəməs/

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Images

Summary

Stenochironomus is a genus of non-biting midges in the Chironominae subfamily. They are identifiable by their green coloration and distinctive wing patterns, and their larvae are found mining in aquatic organic materials.

Physical Characteristics

Usually green with irregular black spots near the tip of the abdomen; wings often banded. Front legs typically held pointing sideways or slightly backwards.

Identification Tips

Look for distinct coloration with green bodies and the presence of irregular black spots, as well as characteristic wing banding.

Habitat

Often found in freshwater environments, especially near submerged dead wood or leaves where larvae can mine.

Distribution

17 species in our area and approximately 92 species worldwide.

Diet

Larvae feed on decaying organic matter and are often found mining in submerged wood and leaves.

Life Cycle

They undergo complete metamorphosis with distinct larval and pupal stages before emerging as adults.

Reproduction

Reproduction occurs through egg-laying in aquatic habitats where larvae can develop.

Ecosystem Role

They play a role in the decomposition process within aquatic ecosystems, aiding in nutrient recycling.

Health Concerns

Non-biting midges, thus not associated with direct health concerns related to bites.

Collecting Methods

• Light traps
• Aquatic net sampling
• Submerged wood collection

Preservation Methods

• Ethanol preservation
• Drying
• Slide mounting

Similar Taxa

• Chironomus
• Procladius
• Pentaneura

Misconceptions

Often confused with biting midges, but Stenochironomus species do not bite.

Tags

• Diptera
• Chironomidae
• non-biting midges
• freshwater insects