Thrips are tiny insects, usually 1/20th inch long. Shown here is the onion thrips (Thrips tabaci), left, and the slightly larger western flower thrips (Frankliniella occidentalis).
Thrips are tiny insects, usually 1/20th inch long. Shown here is the onion thrips (Thrips tabaci), left, and the slightly larger western flower thrips (Frankliniella occidentalis). Alton N. Sparks
Thrips are tiny insects, usually 1/20th inch long. Shown here is the onion thrips (Thrips tabaci), left, and the slightly larger western flower thrips (Frankliniella occidentalis). Alton N. Sparks

When to spray fruit trees? It depends

February 16, 2018 02:00 PM