Florida Entomologist (2000) 83, 422-427

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Sanford D. Porter and Juan A. Briano (2000)
Parasitoid-host matching between the little decapitating fly Pseudacteon curvatus from Las Flores, Argentina and the black fire ant Solenopsis richteri
Florida Entomologist 83 (4), 422-427
Abstract: Matching biotypes of potential biocontrol agents to target host populations can greatly improve the effectiveness of control. This study was designed to determine if the fly Pseudacteon curvatus Borgmeier from Las Flores, Buenos Aires Province, Argentina prefers its natural host, the black fire ant, Solenopsis richteri Forel. We found that P. curvatus strongly preferred S. richteri from Argentina, S. richteri from the United States, and hybrid (S. richteri x S. invicta) fire ants from the United States when each was tested against S. invicta from the United States. The time to pupation of developing parasitoids was 10% and 21% longer in hybrid and red fire ants than in black fire ants. Parasitism rates, however, were not significantly different among these ant hosts in no-choice parasitism tests.
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Database assignments for author(s): Sanford D. Porter, Juan A. Briano

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution


Pest and/or beneficial records:

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


Solenopsis invicta
Solenopsis richteri Argentina
Pseudacteon curvatus (parasitoid) Solenopsis invicta Argentina