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Variation in immune defence in relation to age in the green-veined white butterfly (Pieris napi L.)
Stockholm University, Faculty of Science, Department of Zoology.
Stockholm University, Faculty of Science, Department of Zoology.
Number of Authors: 22012 (English)In: Journal of Invertebrate Pathology, ISSN 0022-2011, E-ISSN 1096-0805, Vol. 111, no 3, p. 252-254Article in journal (Refereed) Published
Abstract [en]

We investigate how encapsulation ability varies with adult age in overwintering and in direct-developing animals (development without diapause) of the green-veined white butterfly, Pieris napi. Encapsulation is a resource costly trait coupled to the immune system and encapsulation ability is predicted to decrease with age, since the resource pool of important nutrients generally decreases with age in nectar feeding butterflies. The results support this prediction and both sexes showed an age dependent decrease in their encapsulation ability. There were no significant differences between the sexes but direct-developing males tended to have a steeper decrease than females and we hypothesize that this could be the result of low available resources, since this generation is time and nutrient stressed.

Place, publisher, year, edition, pages
2012. Vol. 111, no 3, p. 252-254
Keywords [en]
Lepidoptera, Pieris napi, Immune defense, Encapsulation, Developmental pathway, Ageing
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-162390DOI: 10.1016/j.jip.2012.08.004ISI: 000310416800008PubMedID: 22903037OAI: oai:DiVA.org:su-162390DiVA, id: diva2:1288208
Available from: 2019-02-12 Created: 2019-02-12 Last updated: 2019-02-12Bibliographically approved

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