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Polygenis (Polygenis) platensis (Jordan & Rothschild) (Siphonaptera: Rhopalopsyllidae, Rhopalopsyllinae), a new record in Brazil Neotropical Entomology
Linardi,Pedro M.; Cardoso,Valbérico de A.; Botelho,José R.; Lareschi,Marcela; Freitas,Thales O. de.
Polygenis (Polygenis) platensis s. l. (Jordan & Rothschild) is recorded for the first time from Brazil in the municipalities of Capão da Canoa, Tramandaí and Osório, RS. New host records for this flea include Ctenomys flamarioni (Travi) and Ctenomys minutus (De Blainville). Morphological variations were also observed among the flea specimens collected on the same species of host at the same municipality, evidencing some hybridization between the two subspecies and disabling the determination of the subspecific status. The number of known species of Brazilian Siphonaptera is now 60.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Flea; Ectoparasite; Taxonomy; Geographical distribution.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2005000500017
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New data on the morphology of Polygenis (Polygenis) rimatus (Jordan) (Siphonaptera: Rhopalopsyllidae) Neotropical Entomology
Lareschi,Marcela; Linardi,Pedro M..
The study was carried out on the basis of 208 specimens of both sexes from a wide geographical range, from central Brazil to central Argentina. The morphology of diagnostic features of Polygenis (Polygenis) rimatus (Jordan) including the presence or absence of the ductus of the spermatheca with a thick wall, the shape of the posterior margin of seventh sternum in females, and the size of the angle between the distal and the proximal arms of the basal part of the aedeagal tubus, and the number of convolutions made by the coil of the aedeagal tubus interior in males, have been studied. The results obtained are important in clarifying some difficulty in species recognition. Besides, the variability of some characteristics between specimens from disjoint...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Argentina; Brazil; Flea.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2005000100017
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