Dynamics of tritrophic interactions between solenopsis invicta, antonina graminis, and neodusmetia sangwani: do fire ants negatively impact the success of a biological control system?

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Title: Dynamics of tritrophic interactions between solenopsis invicta, antonina graminis, and neodusmetia sangwani: do fire ants negatively impact the success of a biological control system?
Author: Chantos, Jillian Marie
Abstract: Solenopsis invicta , the red imported fire ant , has recently become associated with Antonina graminis , an invasive pest , and Neodusmetia sangwani , biological control agent , and maybe negatively affecting established biological control . A preliminary survey outlined the range of A . graminis and its parasitoids , and found N . sangwani was present at a reduced rate in South Texas and in the southeastern United States . A greenhouse experiment demonstrated that S . invicta decreased the rate of parasitism of A . graminis by N . sangwani , with S . invicta directly interfering with oviposition . Interactions between S . invicta and A . gaminis may be facilitating the spread and establishment of two invasive pests which has a negative impact on established classical biological control of A . graminis by N . sangwani .
URI: http : / /hdl .handle .net /1969 .1 /ETD -TAMU -1501
Date: 2009-05-15

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Dynamics of tritrophic interactions between solenopsis invicta, antonina graminis, and neodusmetia sangwani: do fire ants negatively impact the success of a biological control system?. Available electronically from http : / /hdl .handle .net /1969 .1 /ETD -TAMU -1501 .

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