Zavrelia
Encyclopedia
Zavrelia is a genus of Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an non-biting midges in the subfamily Chironominae
Chironominae
Chironominae is a subfamily of midges in the non-biting midge family .-Genera:*Tribe Chironomini*Axarus Roback 1980*Baeotendipes Kieffer, 1913*Beckidia Sæther 1979*Carbochironomus Reiss & Kirschbaum 1990...

 of the bloodworm family Chironomidae
Chironomidae
Chironomidae are a family of nematoceran flies with a global distribution. They are closely related to the Ceratopogonidae, Simuliidae, and Thaumaleidae...

.

Species of the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 are small to minute chironomids, which are recorded from both continents of the northern hemisphere. All known larvae of Zavrelia construct small, straight transportable cases of sand, silt, detritus and sometimes diatoms that function as retreats until the mature pupa
Pupa
A pupa is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages; embryo, larva, pupa and imago...

 swims to the surface prior to its adult emergence.

Species

  • Z. aristata Torbjørn & Stur, 2009
  • Z. casasi Torbjørn & Stur, 2009
  • Z. clinovolsella Guo & Wang, 2004
  • Z. hudsoni Torbjørn & Stur, 2009
  • Z. pentatoma Kieffer
    Jean-Jacques Kieffer
    Jean-Jacques Kieffer was a French naturalist and entomologist who specialised in the study of parasitic insects. Educated as a priest, Kieffer taught natural science in Bitche, Lorraine while working on the description and classification of insects...

     & Bause in Bause, 1914
  • Z. sinica Torbjørn & Stur, 2009
  • Z. tusimatijea (Sasa & Suzuki, 1999)
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