Redescription of Riethia truncatocaudata (Edwards, 1931) (Diptera: Chironomidae), with description of female, pupa and larva and generic diagnosis for Riethia

The discovery of the immature life history stages of Riethia truncatocaudata (Edwards, 1931 ) from South America allows diagnosis of Riethia Kieffer, 1917 in all stages, incorporating reared species from the complete austral range. Pseudochironomus truncatocaudata Edwards, 1931 is a senior synonym (...

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Bibliographic Details
Published inAquatic insects Vol. 31; no. 4; pp. 247 - 259
Main Authors Trivinho-Strixino, Susana, Roque, Fabricio O., Cranston, Peter S.
Format Journal Article
LanguageEnglish
Published Taylor & Francis 01.12.2009
Subjects
aquatic insects
Chironomidae
Chironominae
Diptera
Melanoides
Neotropical region
Pseudochironomini
Pseudochironomus
Riethia
Riethia truncatocaudata
South America
New Zealand
Australia
New Caledonia
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Summary:The discovery of the immature life history stages of Riethia truncatocaudata (Edwards, 1931 ) from South America allows diagnosis of Riethia Kieffer, 1917 in all stages, incorporating reared species from the complete austral range. Pseudochironomus truncatocaudata Edwards, 1931 is a senior synonym (syn. n.) of Pseudochironomus melanoides Edwards, 1931 . We redescribe the male to complement the short original descriptions of R. truncatocaudata and R. melanoides. The species is congeneric with Australian Riethia stictoptera Kieffer, the type species of the genus Riethia. Extensive material available from the western Pacific (Australia, New Zealand and New Caledonia) confirms that the diagnosis extends to a gondwanan clade, likely sister group to the largely northern genus Pseudochironomus Kieffer.
Bibliography:ObjectType-Article-1
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ISSN:0165-0424
1744-4152
DOI:10.1080/01650420902787556