Three beneficial nematodes including Heterorhabditis bacteriophora, Steinernema carpocapsae and Steinernema feltiae have a potential to use as a biological control agents to manage populations of Queensland fruit fly, Bactrocera tryoni, which is one of the most economically important insect pest of many fruit crops.
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Insect blood clotting can prevent infection by entomopathogenic nematodes /
Recently, Hyrsl et al. (2011) demonstrated that the common fruit fly, Drosophila melanogaster as an immune response can form the blood (hemolymph) clots and protect against infection by an entomopathogenic nematode (Heterorhabditis bacteriophora) and its symbiotic bacterium (Photorhabdus luminescens). Read following papers for more information on the interaction between fruit fly and entomopathogenic nematodes.
Hyrsl, P., Dobes, P., Wang, Z., Hauling, T., Wilhelmsson, C. and Theopold, U. 2011. Clotting Factors and Eicosanoids Protect against Nematode Infections. Journal of Innate Immunity 3: 65-70.