How are bee diseases diagnosed? Observe the bee's body to identify the disease

State. Sick @#@255@#@ often appear dull, slow to respond, listless, unable to take flight, restless, resting on one side, or slowly rolling and crawling inside and outside the hive.

Head. A healthy bee's head moves freely; when it shakes its head and scratches, it may have parasites such as bee mites.

Wings. A healthy bee has 4 intact wings that open and close freely and allow free flight. A sick bee's wings are incomplete, or it quivers its wings and loses the ability to fly. Some young bees have curled wings, mostly due to curled-wing disease, and incomplete wings are mostly caused by bee mite damage.

Legs. A healthy bee has 6 agile legs and crawls quickly; if the legs are numb, rigid and unresponsive, and crawling is slow or impossible, it is mostly due to paralysis disease.

Back and abdomen. A healthy bee's back and abdomen are densely covered with fine hairs, and its segments can repeatedly extend and contract rhythmically; the color is bright and the body surface is dry. A sick bee's abdomen appears swollen or shrunken, cannot extend and contract freely, has lost its fine hairs, has dull or blackened hair color, and has a moist body surface, sometimes as if oiled. This is mostly a typical symptom of paralysis disease.

Dead bees. Healthy bees generally do not die inside the hive, and rarely die around the hive. If a large number of dead bees are found at the bottom of the hive during the overwintering period, and the bee bodies are darkened, softened, and give off a foul odor, it is very likely caused by typhus or blood loss. During the honey-gathering season, if dead bees are found around the hive with both wings turned backward and the abdomen curved inward, it is caused by pesticide poisoning.