Black bean worm

Black bean worm

(notes on materia medica)

[synonym] the female worm of Douchi (behind the elbow).

[source] it is the whole insect of the family douchong.

[animal morphology] douchong

The male is about 7 mm long and the female is larger. The color is black or yellow with luster. The top of the head, chest and back are smooth. The upper lip is straight and wrinkled. There are two pairs of compound eyes, one pair above and one pair below, which are suitable for air vision and one pair below, which are suitable for water vision. Antennae short, divided into 9 segments, black, but the second segment of the branch brown. Three pairs of feet, reddish brown, with long forelimbs, short middle and back limbs and flat sides, are suitable for swimming. The coleoptile is incised, and the tail is slightly protruding outside the wing.

They live in ponds and marshes, often swim on the surface of the water and fly in the air at night. They feed on small insects. The eggs are laid on aquatic plants. After the larvae grow up, they cocoon and pupate to become adults.

[nature and taste] notes on materia medica: "disinfection. "

[function and indications] materia medica notes: "eroding polyps, applying ulcers. "