NDLI: Host range tests cast doubt on the suitability of Epiblema strenuana as a biological control agent for Parthenium hysterophorus in Africa

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Host range tests cast doubt on the suitability of Epiblema strenuana as a biological control agent for Parthenium hysterophorus in Africa

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Host range tests cast doubt on the suitability of Epiblema strenuana as a biological control agent for Parthenium hysterophorus in Africa

Content Provider	Springer Nature Link
Author	McConnachie, Andrew John
Copyright Year	2015
Abstract	Parthenium hysterophorus (Asteraceae: Heliantheae) (parthenium weed), one of the most aggressive terrestrial weeds, has wide-ranging negative impacts on crop and animal production, biodiversity conservation, and human and animal health in Africa, Asia and Australia. In 2010, South Africa imported the biological control agent, Epiblema strenuana (Lepidoptera: Tortricidae), into quarantine for testing. It is one of the most widespread and damaging agents to have established on parthenium weed in Australia and China. However, it was rejected in India for completely developing on Guizotia abyssinica (Asteraceae: Heliantheae) during laboratory testing. Although G. abyssinica is not cultivated in South Africa, if E. strenuana were to be released here, there are concerns that the moth could readily reach East Africa (where G. abyssinica is an important native commercial oil crop in some countries) due to its dispersal ability and broad host acceptance across several genera. As a matter of responsibility, initial host-range testing in South Africa focussed on determining the susceptibility of selected Ethiopian cultivars of G. abyssinica. Under no-choice conditions, E. strenuana completed development on only one of five test cultivars. However, significant larval feeding damage was recorded on all cultivars. During multiple-choice studies, E. strenuana did not complete development on any of the cultivars, and significantly reduced larval feeding damage was recorded as compared to damage in no-choice tests. Larval development studies showed gall formation and adult eclosion on four cultivars. The interpretation of these results concluded with a decision by South African researchers in 2012 to deprioritise E. strenuana as a potential biological control agent, at least until its host range and potential impact on non-target species in Africa were resolved through field host range trials in Australia.
Starting Page	715
Ending Page	723
Page Count	9
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	60
Issue Number	5
e-ISSN	15738248
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-04-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Asteraceae Tortricidae Biological control Host range testing Parthenium weed Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioral Sciences
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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Larval parasitism by native insects on the introduced stem-galling moth Epiblema strenuana Walker (Lepidoptera: Tortricidae) and its implications for biological control of Parthenium hysterophorus (Asteraceae)

Hysterophorus (asteraceae).

Effects of Gall Induction by Epiblema Strenuana on Gas Exchange, Nutrients, and Energetics in Parthenium Hysterophorus

Seasonal variation in the effectiveness of the leaf-feeding beetle Zygogramma bicolorata (Coleoptera: Chrysomelidae) and stem-galling moth Epiblema strenuana (Lepidoptera: Tortricidae) as biocontrol agents on the weed Parthenium hysterophorus (Asteraceae)

Seasonal variation in the effectiveness of the leaf-feeding beetle Zygogramma bicolorata (Coleoptera: Chrysomelidae) and stem-galling moth Epiblema strenuana (Lepidoptera: Tortricidae) as biocontrol agents on the weed Parthenium hysterophorus (Asteraceae).

Host range and impact of the stem- and leaf-deforming thrips, Liothrips tractabilis: a biological control agent for Campuloclinium macrocephalum, in South Africa

The applicability of the plant vigor and resource regulation hypotheses in explaining Epiblema gall moth-Parthenium weed interactions

Biology, ecology and management of the invasive parthenium weed (Parthenium hysterophorus L.).

Effectiveness of introduced biocontrol insects on the weed parthenium hysterophorus (asteraceae) in australia.

Host range tests cast doubt on the suitability of Epiblema strenuana as a biological control agent for Parthenium hysterophorus in Africa

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Larval parasitism by native insects on the introduced stem-galling moth Epiblema strenuana Walker (Lepidoptera: Tortricidae) and its implications for biological control of Parthenium hysterophorus (Asteraceae)

Hysterophorus (asteraceae).

Effects of Gall Induction by Epiblema Strenuana on Gas Exchange, Nutrients, and Energetics in Parthenium Hysterophorus

Seasonal variation in the effectiveness of the leaf-feeding beetle Zygogramma bicolorata (Coleoptera: Chrysomelidae) and stem-galling moth Epiblema strenuana (Lepidoptera: Tortricidae) as biocontrol agents on the weed Parthenium hysterophorus (Asteraceae)

Seasonal variation in the effectiveness of the leaf-feeding beetle Zygogramma bicolorata (Coleoptera: Chrysomelidae) and stem-galling moth Epiblema strenuana (Lepidoptera: Tortricidae) as biocontrol agents on the weed Parthenium hysterophorus (Asteraceae).

Host range and impact of the stem- and leaf-deforming thrips, Liothrips tractabilis: a biological control agent for Campuloclinium macrocephalum, in South Africa

The applicability of the plant vigor and resource regulation hypotheses in explaining Epiblema gall moth-Parthenium weed interactions

Biology, ecology and management of the invasive parthenium weed (Parthenium hysterophorus L.).

Effectiveness of introduced biocontrol insects on the weed parthenium hysterophorus (asteraceae) in australia.

Host range tests cast doubt on the suitability of Epiblema strenuana as a biological control agent for Parthenium hysterophorus in Africa