Green Drake Parachute - Dry Fly gaining great popularity and many Canadian and North American rivers. The Green Drake Parachute had a very realistic abdomen making it extremely visible to feeding Trout or Grayling. Green Para Drake. An interesting parachute Mayfly imitation that makes a very tempting silhouette for the waiting trout. The Green Parachute Drake dry fly is an excellent pattern for most Streams and rivers throughout Canada and the US. As with all parachute dry flies it is designed to cut into the surface film making it even more obvious to the waiting trout.