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The preference of Trichopria drosophilae for pupae of Drosophila suzukii is independent of host size

Title data

Häußling, Benedikt J. M. ; Lienenlüke, Judith ; Stökl, Johannes:
The preference of Trichopria drosophilae for pupae of Drosophila suzukii is independent of host size.
In: Scientific Reports. Vol. 11 (2021) Issue 1 . - No. 995.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-020-80355-5

Official URL: Volltext

Abstract in another language

Controlling the cosmopolitan pest Drosophila suzukii (spotted wing drosophila) is a challenge for fruit growers. A promising agent for biological control of that pest are parasitoid wasps. Especially the widespread pupal parasitoid Trichopria drosophilae had shown the ability to parasitise the pest fly. However, as a biocontrol agent, parasitoids can only be effective when they prefer the pest to other insects. Until now studies have been inconsistent concerning the preference of T. drosophilae for D. suzukii and whether the preference depends on pupal volume. To clarify this inconsistency, we used video recordings of parasitisation experiments with a set up to observe the direct host preference of the parasitoid. Additionally, the volume of each host pupa was measured. We found significant preference of T. drosophilae for D. suzukii pupae independent of the pupal size and of the host species the wasps were reared on. The article also discusses the sex ratio and the success of the parasitoid in the different pupae characteristics.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Agroecology; Entomology; Invasive species
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology > Chair Animal Ecology II - Evolutionary Animal Ecology - Univ.-Prof. Dr. Sandra Steiger
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 570 Life sciences, biology
Date Deposited: 20 Mar 2021 22:00
Last Modified: 22 Mar 2021 10:58
URI: https://eref.uni-bayreuth.de/id/eprint/64193