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The tibia (Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.) of this Isonychia bicolor mayfly spinner is highlighted in red.
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You can go back to the other pictures.
The tibia (Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.) of this Isonychia bicolor mayfly spinner is highlighted in red.
Troutnut.com is a collection of pictures and information about fly fishing. Fly fishermen, fly tiers, and trout enthusiasts of all stripes can learn more about life beneath the surface of trout streams, as well as how to better imitate aquatic insects with artificial flies to catch trout. There are aquatic insect pictures, underwater pictures, landscape pictures, and a comprehensive reference to the common names of trout stream insects.