Bright orange milkweed aphids (Aphis nerii) usually emerge toward the end of summer and feed in clusters on the stems and leaves of common milkweed, swamp milkweed, and other milkweed plants.

Eleven aphid species known to colonize peaches in the United States and one species not known from the United States are described and illustrated. Aphis spiraecola Patch, Brachycaudus helichrysi ...

USDA’s Animal and Plant Health Inspection Service (APHIS) has taken another step toward limiting the impact of an outbreak of foreign animal diseases by amending and strengthening its animal ...

The Plant Protection Directorate has identified Citrus Tristeza Virus-infected trees in the areas of Xagħra and along the Marsalforn route in Gozo ...

To protect U.S. livestock and other animals, APHIS halted shipments of Mexican cattle and bison in November 2024 after a positive detection of New World screwworm (in southern Mexico).