Oviposition in the blood-sucking insect Rhodnius prolixus is modulated by host odors
Parasites and Vectors, ISSN: 1756-3305, Vol: 8, Issue: 1, Page: 265
2015
- 9Citations
- 22Captures
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Metrics Details
- Citations9
- Citation Indexes9
- CrossRef3
- Captures22
- Readers22
- 22
Article Description
Background: Triatomine bugs are blood-sucking insects, vectors of Chagas disease. Despite their importance, their oviposition behavior has received relatively little attention. Some triatomines including Rhodnius prolixus stick their eggs to a substrate. It is known that mechanical cues stimulate oviposition in this species. However, it is not clear if chemical signals play a role in this behavior. We studied the role of host cues, including host odor, in the oviposition behavior of the triatomine R. prolixus. Methods: Tests were carried out in an experimental arena and stimuli consisted of a mouse or hen feathers. The number of eggs laid and the position of those eggs with respect to the stimulus source were recorded. Data were analyzed using the Mann-Whitney and Kruskal-Wallis tests. Results: Both a mouse and hen feathers stimulated oviposition. In addition, hen feathers evoked a particular spatial distribution of eggs that was not observed in the case of mouse. Conclusions: We propose that volatile chemical cues from the host play a role in the oviposition behavior of triatomines that stick their eggs. Thus, host odor would stimulate and spatially guide oviposition.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929152738&origin=inward; http://dx.doi.org/10.1186/s13071-015-0867-5; http://www.ncbi.nlm.nih.gov/pubmed/25956818; http://www.parasitesandvectors.com/content/8/1/265; https://dx.doi.org/10.1186/s13071-015-0867-5; https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0867-5
Springer Science and Business Media LLC
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