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Cytogenetic differentiation between Palearctic and Nearctic populations of Chironomus plumosus L-(Diptera, Chironomidae)
Macrogeographic patterns of polytene chromosomal banding sequences were studied in natural populations of the Holarctic species Chironomus plumosus. Of the 31 inversion sequences now known, 16 areExpand
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Die Verwendung der Imaginalscheiben zur Bestimmung des Entwicklungszustandes von Chironomus-larven (Dipt.)
Imaginal disks and the gonads of Ch. thummi have been used to obtain clear criteria for the determination of the developmental stage of 4th instar larvae. The imaginal “anlagen” are growingExpand
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Intercontinental karyotypic differentiation of Chironomus entis Shobanov, a Holarctic member of the C. plumosus group (Diptera, Chironomidae).
Analysis of banding sequences of polytene chromosomes in Palearctic (Russian) and Nearctic (North American) Chironomus entis shows strong karyotype divergence between populations on the twoExpand
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Chromosomes and Continents
The high level of inversion polymorphism and, correspondingly, the abundance of inversion banding sequences (BSs) of polytene chromosomes in the banding sequence pool of Chironomus species permitExpand
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Pan-American Chironomus calligraphus Goeldi, 1905 (Diptera, Chironomidae): Species or Complex? Evidence from External Morphology, Karyology and DNA Sequencing
Chironomus (Chironomus) calligraphus Goeldi, 1905, previously known from the Neotropics, is newly identified as a member of midge communities across the southern U.S.A.. The karyotype is describedExpand
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Karyosystematics and morphology of Northern Chironomus (Diptera: Chironomidae): Freshwater species with larvae of the salinarius-type
C. hyperboreus Staeg., C. islandicus K., C. tardus Butler, C. cucini Webb, C. major n.sp. and C. neocorax n.sp. were found to belong to the thummi-complex (chromosome arm combination AB, CD, EF, G).Expand
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Chironomus utahensis Malloch and Chironomus harpi new species and their karyosystematic relationships to other species in the decorus-group of Chironomus
Adult, pupal and larval morphology and karyotypes of Chironomus utahensis Malloch and Chironomus harpi, spec. nov. are described. Adults of C. utahensis resemble Chironomus atrella (Townes) and C.Expand
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Chironomus pilicornis fabricius, 1787 and C. heteropilicornis sp.n. (diptera: Chironomidae) in fennoscandian reservoirs: Karyosystematic and morphological results
In Fennoscandia, two Chironomus species show the characteristic features of C. pilicornis Fabricius, but are different in karyotypes, larval types, pupal characters and size. I associated the smallerExpand
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Chironomus albimaculatus sp. n. and C. trabicola sp. n. (Diptera, Chironomidae) from Polar Russia
The paper describes larval, pupal and adult morphology as well as karyotypes of two new species, C. albimaculatus and C. trabicola, from the Lena-delta in Russia (74°N latitude). Both species haveExpand
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Siberian species of the riihimakiensis-group in the genusChironomus (Diptera, Chironomidae). 1. Karyotypes and morphology
Karyotypes and morphology of three species with close relations toC. riihimakiensis Wülker 1971 are described from material of Tuva and Altai in Siberia. Only one of them could be reared to the maleExpand
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