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Effect of Host Size on Susceptibility of Melanotus communis (Coleoptera: Elateridae) Wireworms to Entomopathogens

Livy Williams

Livy Williams

United States Department of Agriculture. Agricultural Research Service (USDA-ARS) U.S. Vegetable LaboratoryCharleston, US
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Williams, Livy
, 
Ron Cherry

Ron Cherry

University of Florida, Everglades Research and Education Center, Wedgworth LaboratoryBelle Glade, US
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Cherry, Ron
 and 
David Shapiro-Ilan

David Shapiro-Ilan

USDA-ARS Southeastern Fruit and Tree Nut Research StationByron, US
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Shapiro-Ilan, David
  
Sep 30, 2022
Effect of Host Size on Susceptibility of Melanotus communis (Coleoptera: Elateridae) Wireworms to Entomopathogens's Cover Image
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Article Category: Research Paper
Published Online: Sep 30, 2022
Received: May 19, 2022
DOI: https://doi.org/10.2478/jofnem-2022-0033
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© 2022 Williams et al. published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

Mean (% + SE) mortality of Melanotus communis larvae when treated with Beauveria bassiana (GHA strain), Cordyceps javanica (WF-GA17 strain), Steinernema carpocapsae (strain All), S. feltiae (SN strain), S. riobrave (strain 355), Heterorhabditis bacteriophora (VS strain), and H. indica (Hom1 strain) in a laboratory small cup bioassay. Treatment means with the same letter are not significantly different (P > 0.05, Tukey’s HSD test). HSD, honestly significant difference; SE, standard error of the mean.
Mean (% + SE) mortality of Melanotus communis larvae when treated with Beauveria bassiana (GHA strain), Cordyceps javanica (WF-GA17 strain), Steinernema carpocapsae (strain All), S. feltiae (SN strain), S. riobrave (strain 355), Heterorhabditis bacteriophora (VS strain), and H. indica (Hom1 strain) in a laboratory small cup bioassay. Treatment means with the same letter are not significantly different (P > 0.05, Tukey’s HSD test). HSD, honestly significant difference; SE, standard error of the mean.

Figure 2

Mean (% + SE) mortality of small and large Melanotus communis larvae when treated with Beauveria bassiana (GHA strain), Cordyceps javanica (WF-GA17 strain), Steinernema carpocapsae (strain All), S. feltiae (SN strain), S. riobrave (strain 355), Heterorhabditis bacteriophora (VS strain), and H. indica (Hom1 strain) in a laboratory small cup bioassay. Different letters above the bars indicate statistical significance (P < 0.05). SE, standard error of the mean.
Mean (% + SE) mortality of small and large Melanotus communis larvae when treated with Beauveria bassiana (GHA strain), Cordyceps javanica (WF-GA17 strain), Steinernema carpocapsae (strain All), S. feltiae (SN strain), S. riobrave (strain 355), Heterorhabditis bacteriophora (VS strain), and H. indica (Hom1 strain) in a laboratory small cup bioassay. Different letters above the bars indicate statistical significance (P < 0.05). SE, standard error of the mean.

Figure 3

Frequency distribution of wireworm weights tested in both trials. Shaded columns denote range of wireworm weights in which mortality was observed (0.04 g to 0.07 g).
Frequency distribution of wireworm weights tested in both trials. Shaded columns denote range of wireworm weights in which mortality was observed (0.04 g to 0.07 g).
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