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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 93, No. 4, 1998, pp. 445-458
Bioline Code: oc98088
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 93, No. 4, 1998, pp. 445-458

 en The polytene chromosomes of Cnesia dissimilis (Edwards) and three species of Gigantodax Enderlein (Diptera: Simuliidae) from Lanin National Park (Argentina)
Cecilia L Coscaron Arias


Cytological studies were made on larvae of Gigantodax marginalis, G.
chilensis, G. fulvescens and Cnesia dissimilis from four creeks
in Lanin National Park, Neuquen province, Argentina. Chromosome maps and
idiograms of these species are presented. The following inversions were
observed: G. marginalis: IL-1 (X-linked inversion), IL-2 (Y-linked
inversion), IIS-1.2, IIL-1, IIIL-4,5; G. chilensis: IL-4 (X-linked
inversion), IIS-1.2, IIIL-4,5; G. fulvescens:IL-1 (X-linked
inversion), IL-3 (Y-linked inversion), IIS-1.2, IIL-1, IIIL-4,5; C.
dissimilis: IL-1, IL-5, IIIL-1. Karyological information was used to
construct a cladogram and Cnesia sp. Was found to show close
resemblance to the three Gigantodax spp.

Argentina - Neotropics - Simuliidae - blackflies - polytene chromosomes - cytotaxonomy

© Copyright 1998 Fundacao Oswaldo Cruz - Fiocruz
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