Data

Behavioral responses of Dolichogenidea tasmanica to alternative hosts

Adelaide University
Keller, Michael ; [email protected], [email protected] ; Yazdani, Maryam
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25909/30382129.v2&rft.title=Behavioral responses of Dolichogenidea tasmanica to alternative hosts&rft.identifier=10.25909/30382129.v2&rft.publisher=The University of Adelaide&rft.description= The braconid, Dolichogenidea tasmanica (Cameron) (Hymenoptera: Braconidae), is the most abundant parasitoid attacking the light brown apple moth (LBAM) Epiphyas postvittana (Walker) (Lepidoptera: Tortricidae), which represents the major insect pest of grapevines in Australia and New Zealand. Enhancing populations of alternative hosts for the parasitoid is one way to promote conservation biological control of this insect pest. The host foraging behavior of this parasitoid in response to E. postvittana and two related alternative hosts, Acropolitis rudisana (Walker) and Merophyas divulsana (Walker), was investigated in the laboratory to evaluate the viability of this approach. All hosts were accepted by the wasp with above 70% parasitism rate. During behavioral assays, the parasitoid responded differently to the host species, possibly due to differences in their physical characteristics, and their feeding and defensive behaviors. The results of the experiments indicate that populations of D. tasmanica should be enhanced by the presence of the alternative hosts, A. rudisana and M. divulsana. Conservation of D. tasmanica in agricultural landscapes is crucial for the conservation biological control of LBAM. &rft.creator=Keller, Michael [email protected], [email protected] &rft.creator=Yazdani, Maryam &rft.edition=2&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_subject=Horticultural crop protection (incl. pests, diseases and weeds)&rft_subject=Behavioural ecology&rft_subject=alternative host&rft_subject=Conservation biological control&rft_subject=Dolichogenidea tasmanica&rft_subject=parasitoid foraging behaviour&rft_subject=Braconidae&rft_subject=Hymenoptera&rft_subject=vineyard&rft_subject=light brown apple moth&rft.type=dataset&rft.language=English Access the data
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Full description

The braconid, Dolichogenidea tasmanica (Cameron) (Hymenoptera: Braconidae), is the most abundant parasitoid attacking the light brown apple moth (LBAM) Epiphyas postvittana (Walker) (Lepidoptera: Tortricidae), which represents the major insect pest of grapevines in Australia and New Zealand. Enhancing populations of alternative hosts for the parasitoid is one way to promote conservation biological control of this insect pest. The host foraging behavior of this parasitoid in response to E. postvittana and two related alternative hosts, Acropolitis rudisana (Walker) and Merophyas divulsana (Walker), was investigated in the laboratory to evaluate the viability of this approach. All hosts were accepted by the wasp with above 70% parasitism rate. During behavioral assays, the parasitoid responded differently to the host species, possibly due to differences in their physical characteristics, and their feeding and defensive behaviors. The results of the experiments indicate that populations of D. tasmanica should be enhanced by the presence of the alternative hosts, A. rudisana and M. divulsana. Conservation of D. tasmanica in agricultural landscapes is crucial for the conservation biological control of LBAM.

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Subjects
Behavioural ecology | Braconidae | Conservation biological control | Dolichogenidea tasmanica | Horticultural crop protection (incl. pests, diseases and weeds) | Hymenoptera | alternative host | light brown apple moth | parasitoid foraging behaviour | vineyard |

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Identifiers
ACN 633 798 857