Grapes.msu.edu
About Us
Search
Newsletters
Weather / Climate
Viticulture
Pest
management
Scouting guide
Publications
Calendar of events
Industry links
Contacts
Download Adobe Acrobat Reader to view pdf files.
Grape cane gallmaker
Rufus Isaacs, MSU Entomology
Home > Scouting guide> grape cane gallmaker
The grape cane gall-maker is a sporadic pest of grapes in the eastern United States. This insect produces noticeable red galls on new shoot growth just above nodes. The majority of galls are beyond the fruit clusters and cause no serious yield loss. Canes with galls can still produce a crop the following year.

The adult is a dark brown snout beetle about 1/8 inch
(4 mm) long that looks like the grape cane girdler. The legless grub is white with a brown head and slightly larger when full grown.

Grape cane gallmaker
Adult gallmaker on grape shoot.
Grape cane gallmaker Grape cane gallmaker
Evidence of damage on old wood. Obvious red galls produced after the beetle lays eggs.
Additional information
Bottom of page.
Site map           Copyright/Linking
Bottom of page.
Funding for this web site provided by Project GREEEN, American Farmland Trust, EPA Region 5's Strategic Agricultural Initiative program, The National Foundation for IPM Education, the Center for Agricultural Partnerships and the MSU Integrated Pest Management Program in collaboration with MSU Extension and the Michigan Agricultural Experiment Station. Partially support from NC-IPM Center.

05/24/11 Contact: E. Haney
     
Michigan Agricultural Experiment Station Michigan State University Extension