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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 97, No. 4, 2002, pp. 569-571
Bioline Code: oc02108
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 97, No. 4, 2002, pp. 569-571

 en Aggregation Behaviour and Interspecific Responses in Rhodnius prolixus check for this species in other resources Stål
Alicia N Lorenzo Figueiras & Claudio R Lazzari

Abstract

The response to intra- and interspecific faecal assembling signals was tested in Rhodnius prolixus check for this species in other resources . Papers impregnated with excrement of R. prolixus induced the aggregation of larvae of this species, but also of those of Triatoma infestans check for this species in other resources . However, faeces belonging to T. infestans were not able to assemble larvae of R. prolixus . On the other hand, there was no response of R. prolixus to putative chemical factors from their cuticle (footprints), in contrast to T. infestans . Results are discussed as related to the ecology of both species.

Keywords
aggregation behaviour - faeces - footprints - interspecific communication

 
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