scholarly journals Molecular characterization of western corn rootworm pyrethroid resistance

2020 ◽  
Author(s):  
Dariane Souza ◽  
Blair D Siegfried ◽  
Lance J Meinke ◽  
Nicholas J Miller
Keyword(s):  
Molecular Characterization ◽  
Pyrethroid Resistance ◽  
Western Corn Rootworm ◽  
Corn Rootworm

scholarly journals Characterization of General Esterases from Methyl Parathion-Resistant and -Susceptible Populations of Western Corn Rootworm (Coleoptera: Chrysomelidae)

2003 ◽  
Vol 96 (6) ◽  
pp. 1855-1863 ◽  
Author(s):  
Xuguo Zhou ◽  
Michael E. Scharf ◽  
Lance J. Meinke ◽  
Laurence D. Chandler ◽  
Blair D. Siegfried
Keyword(s):  
Methyl Parathion ◽  
Western Corn Rootworm ◽  
Corn Rootworm ◽  
General Esterases ◽  
Susceptible Populations

scholarly journals Characterization of Thermal and Time Exposure to Improve Artificial Diet for Western Corn Rootworm Larvae

Insects ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 783
Author(s):  
Man P. Huynh ◽  
Adriano E. Pereira ◽  
Ryan W. Geisert ◽  
Michael G. Vella ◽  
Thomas A. Coudron ◽  
...  
Keyword(s):  
Control Diet ◽  
Thermal Exposure ◽  
The United States ◽  
Western Corn Rootworm ◽  
Corn Rootworm ◽  
Diabrotica Virgifera ◽  
Time Exposure ◽  
Fold Reduction ◽  
Linear Effects

The western corn rootworm (WCR), Diabrotica virgifera LeConte, is the most serious pest of maize in the United States. In pursuit of developing a diet free of antibiotics for WCR, we characterized effects of thermal exposure (50–141 °C) and length of exposure on quality of WCRMO-2 diet measured by life history parameters of larvae (weight, molting, and survival) reared on WCRMO-2 diet. Our results indicated that temperatures had non-linear effects on performance of WCRMO-2 diet, and no impacts were observed on the length of time exposure. The optimum temperature of diet processing was 60 °C for a duration less than 30 min. A significant decline in development was observed in larvae reared on WCRMO-2 diet pretreated above 75 °C. Exposing WCRMO-2 diet to high temperatures (110–141 °C) even if constrained for brief duration (0.9–2.3 s) caused 2-fold reduction in larval weight and significant delays in larval molting but no difference in survival for 10 days compared with the control diet prepared at 65 °C for 10 min. These findings provide insights into the effects of thermal exposure in insect diet processing.

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