Color varies from yellow to brown in color.
Both species may be found in most grape-growing areas. While summer damage of leaves by thrips is common, it is not considered a problem. Thrips primarily are a problem on Red Globe, Calmeria, Italia, and occasionally on Thompson Seedless. Although some materials reduce thrips population numbers, fruit damage may temporarily increase due to agitation of this pest. The following materials are listed in order of usefulness in an IPM program, taking into account efficacy and impact on natural enemies.