Commercial and Home Uses. Spray schedule for grapes, blueberries and brambles (blackberries, etc.).
Information related to common blueberry plant insect pests.
View information listed by the part of the blueberry plant where you suspect insect pest damage is occurring. Then, click on each symptom you see on your plants. You will be brought to a page indicating which insect(s) may be causing the damage.
Young larvae of yellownecked caterpillars skeletonize blueberry foliage. Adult yellownecked caterpillars are seldom seen because they are active at night.
First detected in the United States in California in 2008, spotted wing drosophila (SWD) is a vinegar fly or fruit fly that attacks ripening fruit, as well as rotting fruit.
The obliquebanded leafroller is a native species that occurs throughout southern Canada and the United States. It infests apples, pears, cherries, plums, peaches, roses, raspberries, gooseberries, currants, strawberries and many weeds, and it is a major pest of blueberries.
Japanese beetle adults are about 1/2 inch long with a metallic green head and thorax, and reddish-brown wing covers. Larvae sometimes kill roots of grasses they feed on. Adults destroy leaves, flowers and fruits they feed on.
Fire ants are active throughout the year. They have little impact on crops and are regarded as pests primarily because they attack pickers and other agricultural workers who tend the bushes.
The cranberry fruitworm is one of the most serious pests of blueberries in the eastern United States. Some fields have suffered 50 percent to 75 percent losses of fruit. Infested berries may be harvested and packaged without detection, resulting in consumers finding larvae in packaged berries.
The blueberry stem gall is caused by a small chalcid wasp, Hemadas nubilipennis, which belongs to the family Pteromalidae. In recent years, these galls have become a concern because they occasionally contaminate the finished blueberry product.
Blueberry stem borer injury can be minimized by removing infested canes or wilted terminals as soon as larvae are detected.
High populations of the blueberry mealy bug can lead to poor plant growth and decline.
There is typically one generation of the blueberry blossom weevil per year in blueberry fields. This pest is most common in eastern North America.
These insects (family Cicadellidae) are small (under ¼ inch), mobile insects often found on the stems or undersides of leaves, where they feed by piercing the surface of the plant and sucking plant juices. Most are green or brown, but some are quite brightly marked with green and red. The young resemble the adults but are smaller and wingless. These insects do little damage by feeding on plants. They do some damage, however, when they make a slit in the stem in which to lay their eggs.