A new species of<b><i>Chironomus</i></b>Meigen, 1803 (Diptera, Chironomidae) from the southeast of Brazil

Correia, L. C. S.; Trivinho‐Strixino, Susana; Michailova, Paraskeva

doi:10.1080/01650520500040645

Studies on Neotropical Fauna and Environment

2005

DOI: 10.1080/01650520500040645

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A new species ofChironomusMeigen, 1803 (Diptera, Chironomidae) from the southeast of Brazil

L. C. S. Correia

Susana Trivinho‐Strixino

Paraskeva Michailova

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Cited by 7 publications

(1 citation statement)

References 6 publications

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“…In Brazil, a major part of the studies are of taxonomic inventories (Stur et al, 2006;correia et al, 2005, 2006correia & trivinho-Strixino, 2007;, 2008, association with habitats types (Suriano & FonSeca-geSSner, 2004;SanSeverino & neSSimian, 2008) or deal with the distribution of larvae in different habitats (henriqueS-oliveira et al, 2003; amorim et al, 2004) and larval biomass (calliSto et al, 2002).…”

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Taxonomic and numeric structure of Chironomidae (Diptera) in different habitats of a Neotropical floodplain

Butakka¹,

Gomes

Takeda

2014

Iheringia, Sér. Zool.

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ABSTRACT. We characterized the local benthic Chironomidae by analyzing the numerical density, biomass, diversity index of Shannon-Wiener and dominance of larvae in the main channel of the Ivinhema River, in a secondary channel, in five lakes connected to the main channel and in five lakes without connection. Of the 68 taxa identified, Aedokritus sp., Tanytarsus sp., Chironomus strenzkei Fittkau, 1968 and Procladius sp.1 were found in all sampling sites and were considered morphospecies with greater of greatest ecological plasticity. Chironomus strenzkei Fittkau, 1968, contributed with the greatest biomass in the central region of lakes without connection, whereas Aedokritus sp. dominated in the littoral of lakes.The greater values of diversity indices in the littoral region of channels were due to the greater water flow and to the higher food availability in these areas. The dominance indices, by contrast, were greater on the central region of these environments. The littoral region has exclusive characteristics, representing habitats that could play important controlling in the numerical density and index diversity on the ecosystem, whereas that the biomass of benthic invertebrates in the central region in some biotopes would have different spatial probably according organisms drift. KEYWORDS.Chironomidae larvae, biomass, diversity, dominance, Paraná River. RESUMO. Estrutura taxonômica e numérica de Chironomidae (Diptera) em diferentes habitats de uma várzea neotropical. As larvas deChironomidae foram caracterizadas localmente para analisar a densidade, biomassa, índice de diversidade de Shannon-Wiener e dominância no canal principal do Rio Ivinhema, em um canal secundário, em cinco lagoas conectadas ao canal principal e cinco lagoas sem conexão. Dos 68 taxa, Aedokritus sp., Tanytarsus sp., Chironomus strenzkei Fittkau, 1968 e Procladius sp.1 foram encontrados em todos os locais de amostragem e foram consideradas as morfoespécies com a maior plasticidade ecológica. Chironomus strenzkei contribuiu com a maior biomassa na região central das lagoas sem conexão, enquanto que Aedokritus sp. dominou na região litorânea das lagoas. Os maiores valores do índice de diversidade na região litorânea dos canais foram pertinentes ao maior fluxo de água e disponibilidade de alimento nessas áreas. Os índices de dominância, em contraste, foram maiores na região central desses ambientes. A região litorânea tem características exclusivas, com habitats que apresentaram um importante papel no controle da densidade numérica e índice de diversidade no ecossistema, enquanto que a biomassa dos invertebrados bentônicos na região central em alguns biótopos pode ter diferenças espaciais de acordo com a deriva de organismos.

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mentioning

confidence: 99%

Taxonomic and numeric structure of Chironomidae (Diptera) in different habitats of a Neotropical floodplain

Butakka¹,

Gomes

Takeda

2014

Iheringia, Sér. Zool.

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Non-biting midges (Diptera: Chironomidae) research in South America: subsidizing biogeographic hypotheses

Silva

Farrell

2017

Ann. Limnol. - Int. J. Lim.

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We present data on Chironomidae (Insecta: Diptera) collected in South America together with results on the mitochondrial DNA diversity within selected megadiverse genera. This work is part of an ongoing project on the ancient origin of South American biodiversity using non-biting midges. Collections were made at 42 localities, in March 2014 and February 2015, in a diverse array of habitats, including small streams, rivers, ponds, lakes and bays. In total, 3196 representatives of six subfamilies were collected. Sixty-one genera were identified, containing at least 211 species. The subfamilies Chironominae and Orthocladiinae predominated in all samples. Tanypodinae were often present, but rarely in large numbers. Except for Podonomus pepinellii, reported from Brazil, Podonominae were collected in a few localities in Argentina (Arroyo Lopez, and Arroyo Gutierrez and Gutierrez Lake) and Chile (Llanquihue Lake). Prodiamesinae were only recorded in Chile. Analysis of DNA barcode sequences using neighbor-joining estimation supported 66 species within the selected genera. The chironomid fauna of South America includes multiple genera with worldwide distributions, with Australian, Nearctic and Neotropical components.

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Sub-fossil Chironomidae (Diptera) from lake sediments in Central America: a preliminary inventory

Hamerlík

Silva

Wojewódka-Przybył

2018

Zootaxa

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The chironomid diversity of Central America is virtually underestimated and there is almost no knowledge on the chironomid remains accumulated in surface sediments of lakes. Thus, in the present study we provide information on the larval sub-fossil chironomid fauna from surface sediments in Central American lakes for the first time. Samples from 27 lakes analysed from Guatemala, El Salvador and Honduras yielded a total of 1,109 remains of four subfamilies. Fifty genera have been identified, containing at least 85 morphospecies. With 45 taxa, Chironominae were the most specious and also most abundant subfamily. Tanypodinae with 14 taxa dominated in about one third of the sites. Orthocladiinae were presented by 24 taxa, but were recorded in 9 sites, being dominant in only one site. Podonominae were collected only in one locality. Head capsules of Heterotrissocladius found in the high elevation lake Magdalena, Guatemala, represent a first record for the Neotropical region. Both relative abundance and species richness of Chironominae and Orthocladiinae showed significant relationship to elevation, while Tanypodinae were indifferent. Hopefully, the list of taxa provided by our study will be a base line for future limnological and paleolimnological investigations using chironomid remains in the region.

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A new species ofChironomusMeigen, 1803 (Diptera, Chironomidae) from the southeast of Brazil

Cited by 7 publications

References 6 publications

Taxonomic and numeric structure of Chironomidae (Diptera) in different habitats of a Neotropical floodplain

Taxonomic and numeric structure of Chironomidae (Diptera) in different habitats of a Neotropical floodplain

Non-biting midges (Diptera: Chironomidae) research in South America: subsidizing biogeographic hypotheses

Sub-fossil Chironomidae (Diptera) from lake sediments in Central America: a preliminary inventory

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