Florida Entomologist (2012) 95, 506-508

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David H. Oi, Steven M. Valles and Sanford D. Porter (2012)
The fire ant (Hymenoptera: Formicidae) pathogen, Vairimorpha invictae (Microsporidia: Burenellidae), not detected in Florida
Florida Entomologist 95 (2), 506-508
Abstract: Surveys were conducted to search specifically for the microsporidian pathogen Vairimorpha invictae in red imported fire ants (Solenopsis invicta), in the U.S. V. invictae was not detected in any of the 1,016 nest samples collected in 21 counties located in 5 states. A majority of samples (83%) originated from Florida. Despite the absence of V. invictae, another microsporidum, K. solenopsae, was detected in 14.5% of the samples. Based on our sampling, V. invictae is currently not established in the U.S. V. invictae represents an additional natural enemy that could be imported from South America for the classical biological control of S. invicta.
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Database assignments for author(s): David H. Oi, Steven M. Valles, Sanford D. Porter

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
surveys/distribution/isolation


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Solenopsis invicta U.S.A. (SE)
Kneallhazia solenopsae (entomopathogen) Solenopsis invicta U.S.A. (SE)
Vairimorpha invictae (entomopathogen) Solenopsis invicta