Influence of Berry Injury on Infestations of the Multicolored Asian Lady Beetle in Wine Grapes

2006 ◽  
Vol 7 (1) ◽  
pp. 55 ◽  
Author(s):  
Tederson L. Galvan ◽  
Eric C. Burkness ◽  
William D. Hutchison

The multicolored Asian lady beetle, Harmonia axyridis, is a significant pest for eastern U.S. and Ontario wine makers, but the timing of beetle infestation and its interaction with grape injury are unclear. The authors present results showing the influence of freshly injured berries on H. axyridis infestations in wine grapes, and how this relationship affects the management of H. axyridis. Accepted for publication 17 April 2006. Published 7 June 2006.

2006 ◽  
Vol 7 (1) ◽  
pp. 12 ◽  
Author(s):  
T. L. Galvan ◽  
E. C. Burkness ◽  
W. D. Hutchison

As one component of an Integrated Pest Management program for Midwestern wine grapes, we examined the efficacy of several insecticides on adults of the multicolored Asian lady beetle, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae). For field trials, percentages of clusters with at least one H. axyridis were recorded for each plot before treatment and on the day of harvest. We also examined the efficacy of insecticides under laboratory conditions via two routes of exposure, topical application and insecticide residues. In the 2004 field trials, the percentage of clusters infested with H. axyridis adults at harvest was statistically lower in plots treated with bifenthrin applied 7 days before harvest (DBH), carbaryl 10 DBH, and in plots covered with floating row cover compared to the untreated plots. In 2005, the percentage of clusters infested with H. axyridis adults at harvest in plots treated with zeta-cypermethrin 7 DBH, bifenthrin 22 and 7 DBH, and imidacloprid 1 DBH was statistically lower than beetle infestation in the untreated plots. In the laboratory, bifenthrin, carbaryl, and thiamethoxam were lethal to H. axyridis adults 7 days after treatment. Based on the efficacy results, labeled insecticides, pre-harvest intervals, and the late-season influx of H. axyridis infestations, chemical control is currently limited to carbaryl, malathion, and/or imidacloprid. Accepted for publication 13 June 2006. Published 3 October 2006.


PeerJ ◽  
2016 ◽  
Vol 4 ◽  
pp. e2098 ◽  
Author(s):  
Lindsay A. Havens ◽  
Matthew D. MacManes

The reasons for the evolution and maintenance of striking visual phenotypes are as widespread as the species that display these phenotypes. While study systems such asHeliconiusandDendrobatidaehave been well characterized and provide critical information about the evolution of these traits, a breadth of new study systems, in which the phenotype of interest can be easily manipulated and quantified, are essential for gaining a more general understanding of these specific evolutionary processes. One such model is the multicolored Asian lady beetle,Harmonia axyridis, which displays significant elytral spot and color polymorphism. Using transcriptome data from two life stages, adult and larva, we characterize the transcriptome, thereby laying a foundation for further analysis and identification of the genes responsible for the continual maintenance of spot variation inH. axyridis.


2015 ◽  
Vol 13 (18) ◽  
pp. 5139-5146 ◽  
Author(s):  
Nadja C. Nagel ◽  
Anita Masic ◽  
Uta Schurigt ◽  
Wilhelm Boland

An efficient and flexible synthesis of (R)-harmonine and putative biosynthetic precursors has been developed. Furthermore, its antimicrobial activity againstLeishmania majoris demonstrated.


2010 ◽  
Vol 64 (1) ◽  
pp. 51-52 ◽  
Author(s):  
Kent Fothergill ◽  
Wendy Moore ◽  
John Losey ◽  
Leslie L. Allee ◽  
Rebecca R. Smyth

2013 ◽  
Vol 41 (3) ◽  
pp. 285-294 ◽  
Author(s):  
Agna Rita dos Santos Rodrigues ◽  
Aline Freitas Spíndola ◽  
José Eudes de Morais Oliveira ◽  
Jorge Braz Torres

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