Rio Grande King - Trude The Rio Grande King is pattern that is known for its realism. It is a hair wing fly, which means that the wings are made from natural hair. This gives the fly a very lifelike appearance, which can be very attractive to trout. The Rio Grande King can be fished dry or wet. When fished dry, it is a good imitation of a mayfly that is just emerging from the nymphal stage. When fished wet, it can imitate a mayfly that has been drowned or that is in the later stages of its lifecycle. The Rio Grande King is a versatile fly that can be used in a variety of water conditions. It can be fished in both clear and dirty water, and it can be used in both fast and slow water. Here are some tips for fishing the Rio Grande King: a Fish the Rio Grande King in areas where you would find mayflies. a Present the Rio Grande King gently, as trout can be easily spooked. a Dead drift the Rio Grande King, or fish it with a slight retrieve. a Be patient, as trout may take a few minutes to decide to eat the Rio Grande King. The Rio Grande King is a versatile fly that can be used in a variety of conditions. It is a great fly to add to your fly box if you are looking for a fly that will imitate mayflies and catch trout. Sizes: # 08 - # 18