After reading about how the trout loves to eat a larva of gardens, I went in search of them to see what this actually is about. Not far from my then-house in Boulder, Colorado runs through a small stream called the Boulder Brook. I went to the brook and began to topple the walls looking for a larva of crane cranes. Lo and look, the brook was filled with a giant larva (Tipula abdominalis). I collected a few samples, put them in a cup for a quarter, and took them home to their binder. You can imagine how my wife was thrilled when she saw the jar with the "worms" in her set on my bench. No worries, she still expected such strange behavior. A jar full of worms was always better than killing on the road.
I started experimenting with different combinations of Ligas synchronization (the product of Ligas duplication produced more transparent effects than other dubbing materials) until I got an absolutely perfect mixture that corresponds to the color of the larva. Transparent effect, I used the technique of doubling the loop to imitate the imitation. The Mustad 9672 # 2 was the perfect length corresponding to the size of the larva of a crane that I had in the vessel. When I finished, I dropped the imitation in the jar to see how close I came to fit with the real "bug". My imitation was so perfect that I could not recognize the difference between the real larva and my imitation, except that the hook floated from it! I could not wait to try it out. I went to fish my favorite river, North Platte in Wyoming, about 15 miles upstream of Saratoga, Wyoming, at the state-owned lease department called "The Island of Treasures".
Later, at the end of my fishing day, I met two more fishermen at the parking lot and asked if they were lucky. Expressing disappointment, they informed me that they had only two trout. They complained that the river was too high and the water was too blurred. They were locals and they convinced me that fishing would improve as soon as the second round ended; then they asked me how I was. I proudly answered; "I had a wonderful day, I caught about 30 fish." Both of them reacted astonished, and of course they wanted to know what I was using. They were both very surprised when I showed them my cableway induction.
For years I've been tying flies to the Great Rocky Mountian furry company Saratoga, Wyoming, and they used my crankcase. Here Weirsema, stores & the owner told me that he first hunted the larvae of the Crane Flyer and produced the largest trout trout he had ever made in North Platte. I also submitted a sample of the larvae of the crane lane, Rod Walinchus from Rawlins, Wyoming (Great Flight Division) for his book, "The Flies of South Wyoming". After the book was published, Rod sent me a copy of the book. He also included a note that he had a tattoo of 8 lb lb brown with a frog on his first cast! About a year later, I saw an article in Rocky Mountain news written by an open-source writer, praising the fish that grab the "ugly olive oil". The word came out.
As I mentioned earlier, the larvae of the crane fly is transparent and the three colors will imitate most of the larvae: light gray olive, dark or dark olive. Fly is easy to tie, and it's very simple design. It looks like a small cigar.
I tie them in sizes 2, 4, 6 and 8 s. For the Southern Platte in the Cheesemann canyon near Decker's Colorado, size 6 and 8 is preferred in dark and dark olive colors. However, on larger rivers, such as North Platte, Green, Big Horn or Colorado, for example; Size 2 and 4 are better. Further to the north is a larger larva of the Kranj fly. In Montana, I'm only hunting a size 2 heavy weight in a light gray-olive tree.
There are two ways of presenting for flyers to fish the larvae of a crane fly: First, you can take them dead like any other nymph; when hunting nymphs. Or two, you can hunt them on the sinking line using a short 6-foot leader with a slow pull of your arm. I had a tremendous success with both methods. For really wide water, the submerging method will fly to places that would otherwise be difficult to achieve with a nymph fishing style.
The initial time to catch a cow larvae is from the beginning of May to the end of July. I caught fish in a pattern every season except winter.
Where to hunt cow larvae? I start in the head of any run right below the rifle. I like to throw a fly in the quick water above and let it wash in the race. Do not be surprised if you get it right away. From here I check every place where it can be scattered throughout the round.
When fishing, the crane flies on the sink line, use a size 2 or 4. The dead go to the first half of the head and swim in the other half. A larger sample will be taken as a larvae for the cranial line and / or as a tie. The sinking technique is very deadly and will produce the largest fish in the river.
As for the "beautiful" flies, the cow fly fly fly is not very impressive to watch, however, trout does not know it. They just want to eat it. Use a minimum 3X ticket or a stronger one. The most dominant fish in the brook is usually the first one to crack; so hold on and be sure you have the camera with you.