نتایج جستجو برای: chironomidae

تعداد نتایج: 1269  

2012
Ninel A. Petrova

In the study of chironomids in Armenia several species of Orthocladiinae subfamily of Cricotopus genus, Diamesinae subfamily of Diamesa genus, and Chironominae subfamily of Chironomus genus, have been identified. In the Cricotopus genus two sibling species were found, not distinguishable by larval morphological features, but clearly distinct cytogenetically. Keywords—Armenia, Chironomidae, kary...

Journal: :Zootaxa 2015
Fabio Laurindo Da Silva Sofia Wiedenbrug

A new genus, Amazonimyia, is established for a species of the tribe Pentaneurini (Diptera, Chironomidae, Tanypodinae) from the Amazon Rainforest in northern Brazil. Generic diagnoses for adult male and pupa are provided together with descriptions of a new species, Amazonimyia gigantea.

2013
Leonie R. Clitherow Jonathan L. Carrivick Lee E. Brown

Glacier retreat is occurring across the world, and associated river ecosystems are expected to respond more rapidly than those in flowing waters in other regions. The river environment directly downstream of a glacier snout is characterised by extreme low water temperature and unstable channel sediments but these habitats may become rarer with widespread glacier retreat. In these extreme enviro...

Journal: :Zootaxa 2015
Susana Trivinho-Strixino Mateus Pepinelli

Six new species of Endotribelos from Brazil are described and illustrated as male, female, pupa and larva: E. bicolor sp. n., E. fulvidus sp. n., E. jaragua sp. n., E. jiboia sp. n., E. semibruneus sp. n. and E. sublettei sp. n. The female of E. calophylli Roque & Trivinho-Strixino and the larvae of four unknown morphotypes are also described. Keys including males and larvae of all known specie...

Journal: :Bulletin of entomological research 2010
J O Lundström Y Brodin M L Schäfer T Z Persson Vinnersten O Ostman

Species richness and species turn-over of Chironomidae was studied in irregularly flooded wetlands of the River Dalälven flood-plains in central Sweden. The chironomid fauna, sampled with emergence traps in six wetlands over six summers, contained as much as 135 species, and the cumulative species curves indicated that the regional species pool contain several more species. Recurrent irregular ...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2002
M Callisto P Moreno J F Gonçalves Júnior J J F Leal F A Esteves

Diversity and biomass of Chironomidae larvae were studied between January-November 1993 and March-November 1994 in an impacted lagoon in Rio de Janeiro, Southeastern Brazil, in an attempt to establish the ecological consequences of anthropogenic eutrophication processes. Nine hundred and seventy-five organisms belonging to the Tanypodinae, Orthocladiinae, and Chironominae were collected. Polype...

2015
Xin Qi Xiaolong Lin Yuedan Liu Xinhua Wang

Two new species of Stenochironomus Kieffer (Diptera: Chironomidae: Chironominae), Stenochironomusbrevissimus sp. n. and Stenochironomuslinanensis sp. n., are described from China and the male imagines are illustrated. Stenochironomusbrevissimus sp. n. can be separated from the so far known species by having very short and small, spatulate superior volsella with two long setae, whereas Stenochir...

Journal: :Zootaxa 2013
Galileu P S Dantas Neusa Hamada

Two new species of the genus Fittkauimyia from Brazil are described and illustrated. Fittkauimyia mayumiae sp. n. from Amazonian forest is described based on adult male, female and pupae and F. carranquensis sp. n. from mountainous region of southeast is described based on adult male and pupae.

Journal: :Diversity and Distributions 2022

Aims The main aim of this study was to fill a gap in barcoding data the European Chironomidae Balkan region, developing and testing efficiency reference DNA barcode library for ancient Lake Skadar basin species (Montenegro/Albania), region Europe never before subjected studies on Chironomidae. Another test identification Chironomidae, including estimation optimal thresholds, using >12,000 barco...

ژورنال: :پژوهش های علوم و فنون دریایی 0
مریم شاپوری گروه منابع طبیعی، دانشگاه آزاد اسلامی واحد سوادکوه مینو رضایی گروه منابع طبیعی، دانشگاه آزاد اسلامی ، واحد علوم و تحقیقات تهران ابولقاسم کمالی گروه منابع طبیعی، دانشگاه آزاد اسلامی ، واحد علوم و تحقیقات تهران

جامعه موجودات کفزی به عنوان مهم ترین منبع غذایی آبزیان به منظور ارزیابی شرایط آب رودخانه و محیط زیست  مورد توجه قراردارد. در این مطالعه اثر صنایع و کارگاه­های پرورشی موجود در اطراف رودخانه نمرود بر کیفیت آب یا رسوب و جوامع کفزی مورد بررسی قرار گرفته است.در تحقیق حاضر، سه ایستگاه برای نمونه برداری در نظر گرفته شد. ایستگاه شاهد در بخش بالادست رودخانه نمرود و سپس با فاصله 30 کیلومتر از هم، دو ایست...

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