No. 5 Cow-Dung Fly
This fly is to be found throughout the year. It is most abundant in March, and during a high wind it is blown upon the water. The color of the male is a tawny yellow; that of the female a greenish brown.
Male.—Imitation.
Body.—Yellow and light-brown mohair mixed, spun on light brown silk.
Wings.—The wing feather of the brown thrush, or of the rail (corncrake).
Legs.—A ginger-colored hackle.
Female.—Olive-colored mohair body; wings and legs the same. The wings lie flat, and the upper hackles should be cut off.