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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 1, 2003, pp. 69-72
Bioline Code: oc03039
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 1, 2003, pp. 69-72

 en SHORT COMMUNICATION - Proteocephalidean Larvae (Cestoda) in Naturally Infected Cyclopid Copepods of the Upper Paraná River Floodplain, Brazil
Dina Lúcia Morais Falavigna; Luiz Felipe Machado Velho & Gilberto Cezar Pavanelli

Abstract

The occurrence, prevalence and infection intensity of proteocephalidean larvae in naturally infected intermediate hosts of the Upper Paraná River floodplain are reported. A total of 5,206 zooplanktonic and benthic organisms were analyzed, namely cyclopid (2,621) and calanoid (1,479) copepods, cladocerans (704), rotifers (307), chironomid larvae (41) and ostracods (54). Eight cyclopid copepods - two copepodids, one male and five females - comprising 0.3% of the cyclopid copepods examined, were naturally infected. The male infected belonged to a species of Paracyclops check for this species in other resources , and the females to Paracyclops sp., Thermocyclops minutus check for this species in other resources and Mesocyclops longisetus check for this species in other resources .

Keywords
larvae - Proteocephalidea - cyclopid copepods - Upper Paraná River - Brazil

 
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