Mealybug Identification

How to Distinguish Among Different Mealybugs

• Which mealybug is it? Why should you care! (Article in Practical Winery and Vineyard, January/February 2006)
• Mealybugs in California Vineyards (Trifold, March 2006)
• En Espanol: Mealybugs in California Vineyards (Trifold, March 2006)
• Grape and Vine Mealybug Lifecycle Figure (May 2005)

The solanum mealybug (Phenacoccus solani) occurs in Sonoma County and closely resembles the vine mealybug. This mealybug is generally found on the crown and roots of weeds. Malva (cheeseweed) is a common host in Sonoma County. The solanum mealybug has also been documented on a wide variety of plants throughout North America. Females give birth to live young and unlike vine mealybugs, no egg masses are present.

Solanum Mealybug on the U. of Georgia / USFS Forestry Images Website

Solanum Mealybug on USDA ARS Systematic Entomology Laboratory Website

Mealybug Monitoring

• Identifying Male Vine Mealybugs in a Pheromone Trap (May 2007)
• Using Vine Mealybug Traps in the North Coast (Article in CAPCA Adviser, Jan/Feb 2005)
• Retail Sources for Red Delta Traps and Lures for Vine Mealybug and European Grapevine Moth, August 2019
• 2006 VINE MEALYBUG TRAPPING PROTOCOL: Monitoring Vine Mealybug with Pheromone Traps in North Coast Vineyards.
• Trapping for Vine Mealybugs (Article in American Vineyard Magazine, June 2004)

Posters for Farm Worker Education
Bilingual Vine Mealybug Posters from UCCE San Luis Obispo: For more information, phone (805) 781-5940.

Control of Vine Mealybug
UCCE Sonoma Mealybug Control Trials