Chironomus


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Related to Chironomus: Chironomidae, Hirudinea
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Synonyms for Chironomus

type genus of the Chironomidae

References in periodicals archive ?
Chaoborus SUBORDEN BRACHYCERA--ORTHORRHAPHA CHIRONOMIDAE ATHERICIDAE Chironomus Suragina Rheotanytarsus DOLICHOPODIDAE Stenochironomus Gen.
Responses of Hyalella azteca and Chironomus tentans to particle-size distribution and organic matter content of formulated and natural freshwater sediments.
The more than twofold increase in the hypoxia- and anoxia-tolerant species, Chironomus plumosus-type, by 1991 (4 cm) suggests that oxygen depletion in Niven Lake was likely occurring after the end of sewage inputs.
Important Value Index (%) Species December 15 Karang Mumus Jembayan Pampang Chironomus sp.
Cessna, "Acute and chronic toxicity of imidacloprid to the aquatic invertebrates chironomus tentans and hyalella azteca under constant- and pulse-exposure conditions," Archives of Environmental Contamination and Toxicology, vol.
Se identificaron dieciseis generos de la familia Chironomidae, de los cuales siete pertenecen a la subfamilia Chironominae (Chironomus, Cryptotendipes, Dicrotendipes, Fissimentum, Polypedilum, Rheotanytarsus y Xestochironomus); seis a Orthocladiinae (Eukiefferiella, Heterotrisocladius, Corynoneura, Thienemanniella, Lopescladius y Cardiocladius); y cinco a Tanypodinae (Fittkauimyia, Clinotanypus y Pentaneura); en Tanypodinae dos generos no fueron identificados (Tanypodinae 1 y 2).
Cyclops (531) about 15.24% was the most encountered food items followed by keretella (415) with 11.91% whereas the least found were coleopteran (0.29%) and chironomus (0.89%).
Metal values for lead, chromium, copper and cadmium were below the critical body burden threshold for Chironomus sp.
Genes involved in cysteine metabolism of Chironomus tepperi are regulated differently by copper and by cadmium.
In chironomids, sediment chronic toxicity tests showed an [CE.sub.50] (effective concentration for 50% of organisms) of 450 [micro]g [L.sup.-1] (28 d; Chironomus riparius) and NOEC (highest concentration in which effects are not observed) of 200 [micro]g [L.sup.-1] (28 d; Chironomus riparius).