New case of long-term persistence of Paranosema locustae (Microsporidia) in melanopline grasshoppers (Orthoptera: Acrididae: Melanoplinae) of Argentina

We report an additional case of long-term persistence of Paranosema locustae in grasshoppers of Argentina. The pathogen was introduced from North America on rangeland at Loncopué, Neuquén province. Microsporidia were not detected in pre-introduction samples whereas infected grasshoppers were found 1...

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Bibliographic Details
Published in:	Journal of invertebrate pathology Vol. 99; no. 3; pp. 357 - 359
Main Authors:	Lange, Carlos E., Azzaro, Francisco G.
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier Inc 01-11-2008 Elsevier
Subjects:	Acrididae animal pathogens Animals Argentina Biocontrol Biological and medical sciences Biological control biological control agents case studies Control Dichroplus Dichroplus elongatus Dichroplus maculipennis disease surveillance Fat Body - microbiology Fat Body - pathology Fundamental and applied biological sciences. Psychology Grasshopper grasshoppers Grasshoppers - microbiology Host-Pathogen Interactions hosts Insecta introduced species Invertebrates long term effects Long-term persistence Melanoplinae Melanoplines Microsporidia Microsporidia - pathogenicity Microsporidia - physiology Microsporidiosis - microbiology Microsporidiosis - veterinary Nosema locustae Nymph - microbiology Nymph - physiology Paranosema locustae parasitism Pathology Phytopathology. Animal pests. Plant and forest protection Protozoa. Invertebrates Scotussa lemniscata Spores, Fungal Time Factors Argentina South America America Nosema locustae Scotussa lemniscata Grasshopper Long-term persistence Melanoplines Dichroplus maculipennis Dichroplus elongatus Paranosema locustae Biocontrol Host parasite relation Entomopathogen Insecta Biological control Orthoptera Microsporidia Fungi Acrididae Pest Microbiological control Parasitism rate Parasite Long term Mycoparasite Persistence Arthropoda Host range Acridoidea Invertebrata
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Summary:	We report an additional case of long-term persistence of Paranosema locustae in grasshoppers of Argentina. The pathogen was introduced from North America on rangeland at Loncopué, Neuquén province. Microsporidia were not detected in pre-introduction samples whereas infected grasshoppers were found 11 years after introduction. Affected grasshoppers were the melanoplines Dichroplus elongatus, Dichroplus maculipennis, and Scotussa lemniscata, some of them with high spore loads. The case highlights the ability of P. locustae to recycle in local grasshopper communities by parasitizing susceptible species other than the natural hosts.
Bibliography:	http://dx.doi.org/10.1016/j.jip.2008.09.002 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0022-2011 1096-0805
DOI:	10.1016/j.jip.2008.09.002