PMID: 2509687Sep 1, 1989Paper

Transmission and ecology of trypanosomatid flagellates of water striders (Hemiptera: Gerridae)

The Journal of protozoology
K L Tieszen, D H Molyneux

Abstract

An investigation of transmission and ecology of the monogenetic trypanosomatids, Blastocrithidia gerridis and Crithidia flexonema, in Gerris is described. Motile free-living flagellates of both species were found in the faeces of Gerris and in the water on which the bugs inhabited. Transmission of both trypanosomatid species occurred from naturally infected wild-caught bugs to flagellate-free laboratory-bred bugs via water. Crithidia flexonema was also transmitted to laboratory-bred bugs after being isolated in culture. Observations of experimentally infected bugs indicate that C. flexonema flagellates are imbibed and pass through the fore- and midgut to the hindgut where they become attached and multiply. There was no evidence to suggest transovarial transmission. In a 3-yr investigation into the prevalence of trypanosomatids in a natural population of adult Gerris odontogaster, it was found that the infection rate varied between 19% and 100%. There was no significant difference in infection rates between females and males. The infection rate peaked for each year in late spring or early summer. The significance of these results is discussed in relation to the ecology and behaviour of Gerris. The results indicate that the infec...Continue Reading

References

Feb 1, 1966·Experimental Parasitology·F G Wallace
Mar 1, 1980·Microbiological Reviews·R B McGhee, W B Cosgrove
Aug 1, 1964·The Journal of protozoology·T B CLARKT A SMITH

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Citations

Apr 5, 2012·Computational and Mathematical Methods in Medicine·Truong Quang Dang KhoaVo Van Toi
Feb 13, 2001·Journal of Invertebrate Pathology·M A EbbertJ L Marlowe
Apr 28, 2012·International Journal for Parasitology·Jan VotýpkaJulius Lukeš
Feb 2, 2010·The Journal of Eukaryotic Microbiology·Dmitri A MaslovJulius Lukes
Dec 18, 2003·Annals of Tropical Medicine and Parasitology·C Chicharro, J Alvar
Apr 1, 1997·Clinical Microbiology Reviews·J AlvarJ Moreno

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