beads and hook sizes for perdigons?

Flies must possess the right shape and the right proportion between the bead diameter and hook size if they are to be used effectively. There are a lot of variants and personal choices one can make in this area. The table in figure 92 shows a classical rule for pairing hook and bead sizes.

bead size for perdigon nymphs

Nowadays inside the competition world, there is a trend to use smaller hooks. To follow this trend, simply use a smaller hook than the one shown in figure 92. It is not proved that smaller hooks are more appealing to trout, but most of the competitors nowadays prefer them, and there is surely a good reason behind it. Figure 92b shows a body silhouette comparison between two styles of hook matching using the same bead diameter.

perdigon nymph body