Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Zavreliella marmorata

Midge - Zavreliella marmorata - female Profile - Zavreliella marmorata - female Polypedilum Midge - Zavreliella marmorata - male Midge - Zavreliella marmorata - female Midge - Zavreliella marmorata - female Midge - Zavreliella marmorata - female Midge - Zavreliella marmorata - female Midge - Zavreliella marmorata - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Culicomorpha (Mosquitoes and Midges)
Family Chironomidae (Non-biting Midges)
Subfamily Chironominae
Tribe Chironomini
No Taxon (Lauterborniella group)
Genus Zavreliella
Species marmorata (Zavreliella marmorata)
Synonyms and other taxonomic changes
Chironomus marmoratus van der Wulp 1858
Zavreliella marmorata
Lauterborniella varipennis of authors, not Chironomus varipennis Coquillet 1902
Explanation of Names
Marmorata means marbled
Size
Adult about 3 mm, larval case about 7 mm
Identification
The combination of wing markings, leg markings, color, and expanded front femur is sufficient to identify this midge. Wing markings may be very faint.
Range
Cosmopolitan, except for South America where a complex of related species replaces it
Habitat
"Breeds in shallow water on the margins of the lakes." -- Hauber 1947

"Larvae are found in marshes, vegetation-choked, eutrophic ponds and lakes, and the sluggish portions of streams and rivers, where they swim around in their hydroptilid caddisfly-like silken cases."(1)
Remarks
Some European populations are parthenogenic.