Susceptibility of larvae of the sheep blowfly Lucilia cuprina to various Heterorhabditis spp., Neoaplectana spp., and in undescribed steinernematid (Nematoda) |
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Authors: | A S Molyneux R A Bedding R J Akhurst |
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Institution: | Division of Entomology CSIRO, Stowell Avenue, Hobart, Tasmania 7000, USA |
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Abstract: | The susceptibility of third state larvae of the sheep blowfly Lucilia cuprina in sand to 11 species and strains of Heterorhabditis and Neoaplectana and to one species of an undescribed steiner-nematid was tested at various dosages. Larvae were susceptible to all, although far less so to one strain of N. bibionis and to the undescribed steinernematid. Estimates of LD50 and LD90 are presented for each effective strain. Heterorhabditis spp. were able to reproduce in L. cuprina larvae subjected to low dosages of effective-stage juveniles whereas Neoaplectana spp. were not able to reproduce at any dosage. The possibility exists for using Heterorhabditis species as a control agent against L. cuprina larvae after these have left the sheep to pupate in the soil. |
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Keywords: | Heterorhabditis susceptibility |
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