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.

Since 2020, APHIS, in cooperation with industry, has piloted the U.S. Swine Health Improvement Plan, aimed at certifying participating sites as monitored for African swine fever and classical ...

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 ...