European Grapevine Moth

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EUROPEAN GRAPEVINE MOTH NOT KNOWN TO OCCUR IN IDAHO Common Name: European Grapevine Moth Scientific Name: Lobesia botrana European grapevine moth was first reported in the United States from Napa County vineyards in October 2009. Native to Southern Italy, it was first described from Austria and is now found throughout Europe, North and West Africa, the Middle East and eastern Russia. It was more recently introduced into Japan, and in 2008, it was first reported in Chile. Host The host range for European grapevine moth is diverse. In addition to Vitis vinifera (cultivated grape), they also feed on other important agricultural crops like apple, cherry, nectarine, persimmon, plum, pomegranate and olive. Description The adult moth is approximately 0.24 to 0.3 inch (6-8 mm) long, with a wingspan of 0.4 to 0.5 inch (11-13 mm), with the female being slightly larger. Both males and females have similar mosaic- patterned wings. The first pair of wings (forewings) is tan-cream in color, mottled with gray-blue, brown, and black blotches. The second pair of wings is gray with a fringed border. The wings are held in a bell shape over the abdomen when at rest. Life Cycle 2/9/2011 Damage In May and June, first-generation larvae web and feed on the flower clusters. Second-generation larvae (July-August) feed on green berries. Young larvae penetrate the berry and hollow them out, leaving the skin and seeds. Third-generation larvae (August-September) cause the greatest damage by webbing and feeding inside berries and within bunches, which become contaminated with frass (excrement). Additionally, feeding damage to berries after veraison exposes them to infection by Botrytis and other secondary fungi such as Aspergillus, Alternaria, Rhizopus, Cladosporium, and Penicillium. Secondary pests such as raisin moth (Cadra figulilella), fruit flies, and ants may also be attracted to damaged berries. Other Resources www.ipm.ucdavis.edu/EXOTIC/eurograpevinemoth.html http://www.cdfa.ca.gov/PHPPS/egvm/index.html http://www.sonoma-county.org/agcomm/european_gv_moth.htm 2/9/2011 .

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Surveillance of Grape Berry Moth, Paralobesia Viteana Clemens (Lepidoptera
Surveillance of grape berry moth, Paralobesia viteana Clemens (Lepidoptera: Tortricidae), in Virginia vineyards by Timothy Augustus Jordan Dissertation submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY in Entomology Douglas G. Pfeiffer, Chair J. Christopher Bergh Carlyle C. Brewster Thomas P. Kuhar Tony K. Wolf March 21, 2014 Blacksburg, Virginia Keywords: Remote, Vitis, Sex pheromone trap, Infestation, Degree-day, Landscape Chapter 3*****by Entomological Society of America used with permission All other material © 2014 by Timothy A. Jordan Surveillance of grape berry moth, Paralobesia viteana Clemens (Lepidoptera: Tortricidae), in Virginia vineyards by Timothy Augustus Jordan ABSTRACT My research addressed pheromone lure design and the activity of the grape berry moth, Paralobesia viteana, flight and infestation across three years of study. In my lure evaluations, I found all commercial lures contained impurities and inconsistencies that have implications for management. First, sex pheromone concentration in lures affected both target and non-target attraction to traps, while the blend of sex pheromones impacted attraction to P. viteana. Second, over the duration of study, 54 vineyard blocks were sampled for the pest in and around cultivated wine grape in Virginia. The trapping studies indicated earliest and sustained emergence of the spring generation in sex pheromone traps placed in a wooded periphery. Later, moths were detected most often in the vineyard, which indicated that P. viteana emerged and aggregated in woods prior to flying and egg-laying in vineyards. My research supports use of woods and vineyard trap monitoring at both the height of 2 meters and in the periphery of respective environments.
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