Biological Control

Journal: Biological Control

Publisher

Elsevier

ISSN

1049-9644
1090-2112

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Publications 1 - 10 of 29

Tritrophic consequences arising from a host shift between apple and walnut in an oligophagous herbivore
Collatz, Jana; Dorn, Silvia (2013)
Biological Control
Host plant shifts by herbivorous insects may have fitness consequences beyond the herbivore, cascading up to higher trophic levels, finally affecting natural enemies. Multitrophic effects of a host shift from apple to walnut trees in a disjunctive oligophagous herbivore, the codling moth Cydia pomonella, might thus affect its specialist parasitoid Hyssopus pallidus. Potential consequences for the parasitoid wasps might result from alterations in host finding abilities and effects of the host plant’s defense compound juglone on host acceptance and host quality. Bioassays showed that chemical cues from walnut fruits were as attractive to the wasps as were cues from apple fruits, when parasitoids were reared in the presence of the respective volatile cue. Rearing experiments with levels of juglone mimicking low and high natural concentrations in the hosts’ diet revealed that host acceptance of parasitoids was not affected by juglone while juglone mimicking high levels of natural concentrations caused mild impairment of host quality. Our study suggests that the parasitoid is less affected by the host plant’s defense chemistry than the herbivore and that it is therefore probably able to follow a shift of C. pomonella from walnut to apple.
Tracing spatial distribution of parasitism in fields with flowering plant strips using stable isotope marking
Wanner, Heike; Gu, Hainan; Günther, Detlef; et al. (2006)
Biological Control
Parasitoids of Agrilus spp. in Europe: Anticipating the arrival of Agrilus planipennis
Kenis, Marc; Eisenring, Michael; Gossner, Martin M.; et al. (2024)
Biological Control
The emerald ash borer (EAB), Agrilus planipennis, is a woodboring beetle native to East Asia. It is highly invasive in North America, where it causes large-scale dieback of American ash species, Fraxinus spp. EAB is also invasive in Western Russia and Ukraine, and it continues to spread towards Central and Western Europe where all three native ash species are susceptible. Biological control approaches offer sustainable solutions to control invasive pests. In North America, four Asian parasitoid species that have coevolved with EAB have been introduced to control the pest. In Europe, many species of the genus Agrilus occur, and it is likely that at least some of their parasitoids will adopt EAB as a host as it spreads across the continent. However, parasitoids of Agrilus spp., are very poorly known in Europe because of the difficulty of studying the parasitoid complex of these solitary wood boring insects. In this review, we provide a literature overview of studies and records of European parasitoids of Agrilus spp. to provide a basis for future studies on the emerging parasitoid complex of EAB in Europe. Parasitoid records were found for 24 European species of Agrilus. Sixty-four parasitoid species were recorded, mostly larval parasitoids. However, it is likely that several of them are erroneous host-parasitoid associations or misidentifications, and the biology of most species and their role in the population dynamics of their hosts has been poorly studied. It is recommended to conduct pre-emptive studies on these parasitoids and their suitability as potential biological control organisms with EAB.
Effects of a mixed species infestation on the cassava mealybug and its encyrtid parasitoids
Dorn, Brigitte; Mattiacci, Letizia; Bellotti, Anthony C.; et al. (2003)
Biological Control
Effects of a plant resistance protein bruchid Acanthoscelides obtectus natural enemy Dinarmus basalis on parasitism of the common bean (Coleoptera : Bruchidae) by its natural enemy (Hymenoptera : Pteromalidae)
Velten, Guido; Rott, Ania S.; Cardona, César; et al. (2007)
Biological Control
Dispersal and persistence of mass released Trichogramma brassicae (Hymenoptera - Trichogrammatidae) in non-target habitats
Kuske, Stefan; Widmer, Franco; Edwards, Peter J.; et al. (2003)
Biological Control
A new parasitoid from Kenya, Fopius ceratitivorus, complements the extant parasitoid guild attacking Mediterranean fruit fly in Hawaii
Kroder, Stefan; Messing, Russell H. (2010)
Biological Control
Influence of insecticide Bacillus thuringiensis subsp. israelensis treatments on resistance and enzyme activities in Aedes rusticus larvae (Diptera: Culicidae)
Boyer, Sébastien; Paris, Margot; Jego, Sylvaine; et al. (2012)
Biological Control
Field dispersal and host location of Trichogramma brassicae is influenced by wing size but not wing shape
Kölliker-Ott, Ursula M.; Bigler, Franz; Hoffmann, Ary A. (2004)
Biological Control
How parasitoid sex ratio, size and emergence time are associated with fruit tree cultivar, within-orchard tree position and ants
Mody, Karsten; Spoerndli, Charlotte; Dorn, Silvia (2012)
Biological Control

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Journal: Biological Control

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