I. e. Biological Control of Imported Fire Ants - PowerPoint PPT Presentation

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I. e. Biological Control of Imported Fire Ants

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... at least 21 species of phorid flies that attack fire ants in South America. ... Fewer than the phorid fly. More effective in multiple queen colonies ... – PowerPoint PPT presentation

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Title: I. e. Biological Control of Imported Fire Ants


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I. e. Biological Control of Imported Fire Ants
  • Teaching Module for Master Gardener Training

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Biological Control of Fire Ants
  • Researchers have identified at least 21 species
    of phorid flies that attack fire ants in South
    America.
  • Four species are established in the United
    States.

Phorid fly emerging from fire ant head
fly
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Infectious Protozoa
  • Disease agent decreases populations in South
    America
  • It also is establishing in some states
  • Fewer than the phorid fly
  • More effective in multiple queen colonies

Kneallhazia solenopsae
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Biological Control
Researchers are always evaluating new biological
control agents, such as microsporidians, viruses
and nematodes.
Electron micrograph of Solenopsis invicta virus 1
(SINV-1) purified from infected fire ants.
Allomermis, a new species of nematode in fire
ants from Argentina
Photo courtesy Sanford Porter, USDA ARS
6
Natural Control
  • Native ants can help control fire ants

New fire ant queen under attack by another ant
species
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