Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.)

Pörschmann U, Spieth H (2011)
Entomological Science 14(1): 31-36.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
Download
Es wurden keine Dateien hochgeladen. Nur Publikationsnachweis!
Abstract / Bemerkung
The large white butterfly Pieris brassicae (L.) (Lepidoptera: Pieridae) undergoes a unique aestivation in southern Spain. Its pupae remain dormant for three months in summer, emerging in early September. Its main parasitoid, Cotesia glomerata (L.) (Hymenoptera: Braconidae), shows no such diapause behavior and is thus deprived of its main host for this period and has to switch to less suitable host species. To study the effect the aestivation has on the parasitoids, caterpillars were collected from the region in May and September and levels of parasitization were determined. Results show that parasitoid attacks decrease clearly after the summer diapause. The number of parasitized butterfly clutches in September was only one third as the number in May and the infestation rate of an attacked clutch decreased by 55% after aestivation. The distribution of brood sizes of C. glomerata showed clear signs of superparasitism before but not after the diapause. Therefore, the butterfly generation after summer diapause has to deal with distinctly diminished numbers of parasitoids. This increases the survival rate of the caterpillar and thus improves the fitness of the butterfly.
Stichworte
Iberian population; parasitoid attack rate; natural brood size; summer diapause; avoidance of parasitization
Erscheinungsjahr
2011
Zeitschriftentitel
Entomological Science
Band
14
Ausgabe
1
Seite(n)
31-36
ISSN
1343-8786
Page URI
https://pub.uni-bielefeld.de/record/1894726

Zitieren

Pörschmann U, Spieth H. Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.). Entomological Science. 2011;14(1):31-36.
Pörschmann, U., & Spieth, H. (2011). Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.). Entomological Science, 14(1), 31-36. https://doi.org/10.1111/j.1479-8298.2010.00414.x
Pörschmann, Ulrich, and Spieth, Hubert. 2011. “Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.)”. Entomological Science 14 (1): 31-36.
Pörschmann, U., and Spieth, H. (2011). Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.). Entomological Science 14, 31-36.
Pörschmann, U., & Spieth, H., 2011. Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.). Entomological Science, 14(1), p 31-36.
U. Pörschmann and H. Spieth, “Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.)”, Entomological Science, vol. 14, 2011, pp. 31-36.
Pörschmann, U., Spieth, H.: Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.). Entomological Science. 14, 31-36 (2011).
Pörschmann, Ulrich, and Spieth, Hubert. “Aestivation in Pieris brassicae (L.) affects the parasitoid load by Cotesia glomerata (L.)”. Entomological Science 14.1 (2011): 31-36.
Export

Markieren/ Markierung löschen
Markierte Publikationen

Open Data PUB

Web of Science

Dieser Datensatz im Web of Science®
Suchen in

Google Scholar