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Chironomus riparius
Chironomus riparius, also known as Chironomus thummi and commonly known as the harlequin fly, is a species of non-biting midge. Their larvae are known by the common name of blood worm due to their red colouration. It is common in both North America and Europe. The species was described in 1804 by Johann Wilhelm Meigen. C. riparius has been used extensively as a model for genome structure analysis in insects and is also used in toxicology...
3 branches of this group, most-observed first

Chironomus riparius
speciesChironomus riparius

Chironomus piger
speciesChironomus piger
Chironomus melanescens
speciesChironomus melanescens
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Chironomus riparius in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1590867.