Biocontrol Science and Technology, ( ISI ), Volume (25), No (3), Year (2014-1) , Pages (260-275)

Title : ( Efficacy of two entomopathogenic nematodes Heterorhabditis bacteriophora and Steinernema carpocapsae for control of the leopard moth borer Zeuzera pyrina (Lepidoptera: Cossidae) larvae under laboratory conditions )

Authors: Elham Salari , Javad Karimi , Hussein Sadeghi Namaghi , Mojtaba Hosseini ,

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The biological traits of the entomopathogenc nematodes (EPNs), Steinernema carpocapsae and Heterorhabditis bacteriophora, against the larvae of the leopard moth, Zeuzera pyrina were evaluated in the laboratory. The traits included pathogenicity, penetration potential as well as foraging behavior. Plate assays were performed using a range of EPN concentrations (5, 10, 20, 50 and 100 infective juveniles (IJs) per larva). The LC50 values for S. carpocapsae and H. bacteriophora were 6.4 and 8.4 IJs larva-1 after 72 h. Both EPN species caused high mortality in branch experiments. Significantly higher mortality rates occurred in the larger larvae after exposure to S. carpocapsae. Both EPN species successfully penetrated the Z. pyrina larvae as well as larvae of Galleria mellonella L. (Lepidoptera: Galleridae).The proportional response of H. bacteriophora to host-associated cues was strongly higher than S. carpocapsae in Petri dishes containing agar 1, 12 and 24 h after EPN application. These results highlight the efficiency of EPNs for the control of Z. pyrina larvae. However, due to the cryptic habitat of Z. pyrina larvae in their galleries in the trees, field trails need to be conducted to further evaluate this potential.

Keywords

, Key words: Biological control, Entomopathogenic nematodes, Insect pathology, Zeuzera pyrina,
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@article{paperid:1043387,
author = {Salari, Elham and Karimi, Javad and Sadeghi Namaghi, Hussein and Hosseini, Mojtaba},
title = {Efficacy of two entomopathogenic nematodes Heterorhabditis bacteriophora and Steinernema carpocapsae for control of the leopard moth borer Zeuzera pyrina (Lepidoptera: Cossidae) larvae under laboratory conditions},
journal = {Biocontrol Science and Technology},
year = {2014},
volume = {25},
number = {3},
month = {January},
issn = {0958-3157},
pages = {260--275},
numpages = {15},
keywords = {Key words: Biological control; Entomopathogenic nematodes; Insect pathology; Zeuzera pyrina; Walnut},
}

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%0 Journal Article
%T Efficacy of two entomopathogenic nematodes Heterorhabditis bacteriophora and Steinernema carpocapsae for control of the leopard moth borer Zeuzera pyrina (Lepidoptera: Cossidae) larvae under laboratory conditions
%A Salari, Elham
%A Karimi, Javad
%A Sadeghi Namaghi, Hussein
%A Hosseini, Mojtaba
%J Biocontrol Science and Technology
%@ 0958-3157
%D 2014

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