Pests & Diseases

Brown Soft Scale

This common scale attacks a wide range of houseplants, including anthuriums, citrus, dieffenbachia, ferns, orchids and ornamental figs.

Citrus Mealybug

The citrus mealybug is a major greenhouse and houseplant pest. In subtropical climates, this sucking insect is also a problem outdoors.

Blossom End Rot

This common affliction of tomatoes is the result of a physiological disorder rather than a disease. First described over a century ago, blossom end rot is linked to low levels of calcium in the young fruits as well as to …

Eastern Mole

The eastern mole (Scalopus aquaticus) can be found from Ontario to Florida. Of the seven species of moles present in the United States, it is the most widespread, and the one that is most likely to disrupt lawns and landscapes with its tunneling.

Asian Lady Beetle

Also known as the Halloween lady beetle or Japanese lady beetle, the multicolored Asian lady beetle (Harmonia axyridis) was introduced to the United States in 1916 as a biological control for aphids and scale insects.

Citrus Mealybug

The citrus mealybug (Planococcus citri) is a major greenhouse and houseplant pest. In subtropical climates, this sucking insect is also a problem outdoors.

Damping-Off Fungi

Damping-off is the infection of young seedlings by a variety of different fungi, most often species of Rhizoctonia, Pythium, and Fusarium.

Mexican Bean Beetle

Mexican bean beetle (Epilachna varivestis), a member of the ladybug family, attacks many kinds of beans—bush, pole, and lima—as well as cowpeas and soybeans.