It's possible for a dry fly to be of the attractor or mimic variety. The adult stage of an aquatic or terrestrial insect is generally imitated by imitations, such as the caddisfly known as the elk hair caddis, which is an imitation of a caddisfly.
The "parachute" that is attached to the Adams Parachute Fly enables the fly and land as softly as a natural would on the water. Additionally, the "parachute" has the added benefit of making the fly very visible from the surface. For a beginner, it is vital to have a clear vision so that they can easily see the fly.
When a fly is not exposed to direct sunlight, the appearance of a fly that is translucent when viewed from below and with sunlight beaming through it is significantly different. Some dry flies, in particular imitators, are created with the express purpose of simulating this effect.
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