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The Sensory Perceptions of Argas persicus (Oken)

Published online by Cambridge University Press:  06 April 2009

Edward Hindle  and
Gordon Merriman
Edward Hindle
Affiliation:
(From the Quick Laboratory, University of Cambridge.)
Gordon Merriman
Affiliation:
(From the Quick Laboratory, University of Cambridge.)
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Extract

1. All stages of Argas persicus are negatively phototropic. In addition, they are also susceptible to pronounced differences in the intensity of the illumination and select the darker places.

2. In the gorged state, the ticks are slightly positively geotropic. In the unfed state, this property is not developed.

3. At all stages the tick endeavours to bring as much of its surface as possible in contact with its surroundings.

4. A. persicus is attracted by heat.

5. In all stages an olfactory sense is well developed.

6. “Haller's organ” is olfactory in function and constitutes a means by which a tick is able to recognise its host. By depriving ticks of this organ it is possible by suitable means to cause them to feed on media other than blood, thus showing that a sense of taste is absent. Argas persicus, Ornithodorus moubata and Hyalomma aegyptium have all given similar results with regard to the latter point and we believe that this constitutes a method by which perhaps other blood-sucking arthropods, after being deprived of the organ or organs necessary for the recognition of their hosts, may be made to feed on any desired medium.

Type
Research Article
Information
Parasitology , Volume 5 , Issue 3 , September 1912 , pp. 203 - 216
Copyright
Copyright © Cambridge University Press 1912

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References

Batelli, A. (1891). Note anatomo-fisiologiche sugli Ixodini. Communicazione Preventiva, Part II. Monitore Zoologico Italiano, II.Google Scholar
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Lahille, F. (1905). Contributions à l'étude des Ixodidés de la République Argentine. Anales del Minist. de Agric. Sección de Zootecnia etc., II. 107–109.(Buenos Aires).Google Scholar
Nuttall, G. H. F., Cooper, W. F. and Robinson, L. E. (1908). On the Structure of “Haller's Organ” in the Ixodoidea. Parasitology, I. 238–242.CrossRefGoogle Scholar