Wild bacterial probiotics fed to larvae of mass-reared Queensland fruit fly [Bactrocera tryoni (Froggatt)] do not impact long-term survival, mate selection, or locomotor activity.

Autor: Shuttleworth LA; New South Wales Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, Australia., Khan MAM; New South Wales Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, Australia.; Faculty of Agriculture, Department of Entomology, Bangladesh Agricultural University, Mymensingh, Bangladesh., Collins D; New South Wales Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, Australia., Osborne T; New South Wales Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, Australia., Reynolds OL; New South Wales Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, Australia.; Graham Centre (an alliance between NSW Department of Primary Industries and Charles Sturt University), Wagga Wagga, New South Wales, Australia.; State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, China.
Jazyk: angličtina
Zdroj: Insect science [Insect Sci] 2020 Aug; Vol. 27 (4), pp. 745-755. Date of Electronic Publication: 2019 Apr 21.
DOI: 10.1111/1744-7917.12670
Abstrakt: Queensland fruit fly [Bactrocera tryoni (Froggatt), Diptera, Tephritidae] is the most devastating insect pest impacting Australian horticulture. The Sterile Insect Technique (SIT) is an important component of tephritid pest management programs. However, mass-rearing and irradiation (to render insects sterile) may reduce the fitness and performance of the insect, including the ability of sterile males to successfully compete for wild females. Manipulation of the gut microbiome, including the supplementation with bacterial probiotics shows promise for enhancing the quality of mass-reared sterile flies, however there are fewer published studies targeting the larval stage. In this study, we supplemented the larval stage of mass-reared B. tryoni with bacterial probiotics. We tested several individual bacteria that had been previously isolated and characterized from the gut of wild B. tryoni larvae including Asaia sp., Enterobacter sp., Lactobacillus sp., Leuconostoc sp. We also tested a consortium of all four of these bacterial isolates. The fitness parameters tested included adult survival in field cages, laboratory mate selection of bacteria supplemented males by bacteria nonsupplemented females, and laboratory locomotor activity of adult flies. None of the bacterial probiotic treatments in the current study was significantly different to the control for field survival, mate selection or locomotor activity of adult B. tryoni, which agree with some of the other studies regarding bacterial probiotics fed to the larval stage of tephritids. Future work is needed to determine if feeding the same, and/or other probiotics to adults, as opposed to larvae can positively impact survival, mating performance, mating competitiveness and locomotor activity of B. tryoni. The bacterial group(s) and function of bacterial species that increase fitness and competitiveness is also of interest to tephritid mass-rearing programs.
(© 2019 Institute of Zoology, Chinese Academy of Sciences.)
Databáze: MEDLINE
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