The infectivity and host range of Orgyia anartoides nucleopolyhedrovirus

Markwick, N.P., Glare, T.R., Hauxwell, C., Li, Z., Poulton, J., Ward, J.M., Young, V.L., & Ward, V.K. (2010) The infectivity and host range of Orgyia anartoides nucleopolyhedrovirus. Journal of Applied Entomology, 134(1), pp. 61-71.

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The painted apple moth (PAM), Teia anartoides (Walker) (Lepidoptera: Lymantriidae) made a recent incursion into New Zealand. A nucleopolyhedrovirus (NPV), Orgyia anartoides NPV (OranNPV), originally isolated from PAM in Australia, was tested for its pathogenicity to PAM and a range of non-target insect species found in New Zealand, to evaluate its suitability as a microbial control for this insect invader. Dosage-mortality tests showed that OranNPV was highly pathogenic to PAM larvae; mean LT50 values for third instars ranged from 17.9 to 8.1 days for doses from 102 to 105 polyhedral inclusion bodies/larva, respectively. The cause of death in infected insects was confirmed as OranNPV. Molecular analysis established that OranNPV can be identified by PCR and restriction digestion, and this process complemented microscopic examination of infected larvae. No lymantriid species occur in New Zealand; however, the virus had no significant effects on species from five other lepidopteran families (Noctuidae, Tortricidae, Geometridae, Nymphalidae and Plutellidae) or on adult honeybees. Thus, all indications from this initial investigation are that OranNPV would be an important tool in the control of PAM in a future incursion of this species into New Zealand.

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ID Code: 76176
Item Type: Journal Article
Refereed: Yes
Keywords: Teia anartoides;, virulence, pathogenicity; , painted apple moth; , OranNPV; , non-target insect species;
DOI: 10.1111/j.1439-0418.2009.01443.x
ISSN: 1439-0418
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 16 Sep 2014 22:17
Last Modified: 22 Jun 2017 14:01

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